12654233491 has 12 divisors (see below), whose sum is σ = 13795420600. Its totient is φ = 11574819648.

The previous prime is 12654233479. The next prime is 12654233503. The reversal of 12654233491 is 19433245621.

It is an interprime number because it is at equal distance from previous prime (12654233479) and next prime (12654233503).

It is not a de Polignac number, because 12654233491 - 2⁹ = 12654232979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12654233411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379986 + ... + 411943.

Almost surely, 2^12654233491 is an apocalyptic number.

12654233491 is a deficient number, since it is larger than the sum of its proper divisors (1141187109).

12654233491 is an equidigital number, since it uses as much as digits as its factorization.

12654233491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792006 (or 791977 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The spelling of 12654233491 in words is "twelve billion, six hundred fifty-four million, two hundred thirty-three thousand, four hundred ninety-one".