This character is a Other Letter and is mainly used in the Bamum script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+A6B9 forms with similar adjacent characters prevents a line break inside it.
The Wikipedia has the following information about this codepoint:
The Bamum scripts are an evolutionary series of six scripts created for the Bamum language by Ibrahim Njoya, King of Bamum (now western Cameroon). They are notable for evolving from a pictographic system to a semi-syllabary in the space of fourteen years, from 1896 to 1910. Bamum type was cast in 1918, but the script fell into disuse around 1931. A project began around 2007 to revive the Bamum script.
The Bamum script is also used to write the Shümom language, also invented by Njoya.
Representations
System
Representation (click value to copy)
Nº
42681
UTF-8
EA 9A B9
UTF-16
A6 B9
UTF-32
00 00 A6 B9
URL-Quoted
%EA%9A%B9
HTML hex reference
ꚹ
Wrong windows-1252 Mojibake
êš¹
Encoding: GB18030 (hex bytes)
82 36 C6 34
RFC 5137
\u'A6B9'
Bash and Zsh inside echo -e
\uA6B9
C and C++
\uA6B9
C#
\uA6B9
CSS
\00A6B9
Excel
=UNICHAR(42681)
Go
\uA6B9
JavaScript
\uA6B9
Modern JavaScript since ES6
\u{a6b9}
JSON
\uA6B9
Java
\uA6B9
Lua
\u{A6B9}
Matlab
char(42681)
Perl
"\x{A6B9}"
PHP
\u{a6b9}
PostgreSQL
U&'\A6B9'
PowerShell
`u{A6B9}
Python
\uA6B9
Ruby
\u{a6b9}
Rust
\u{a6b9}
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