4609

Number
$4609$ (four thousand, six hundred and nine) is:


 * $11 \times 419$


 * The $9$th Cullen number after $1$, $3$, $9$, $25$, $65$, $161$, $385$, $897$, $2049$:
 * $4609 = 9 \times 2^9 + 1$