12431653456 has 40 divisors (see below), whose sum is σ = 25148122560. Its totient is φ = 5942128896.

The previous prime is 12431653397. The next prime is 12431653459. The reversal of 12431653456 is 65435613421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431653459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695155 + ... + 712813.

It is an arithmetic number, because the mean of its divisors is an integer number (628703064).

Almost surely, 2^12431653456 is an apocalyptic number.

12431653456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12431653456 is an abundant number, since it is smaller than the sum of its proper divisors (12716469104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431653456 is a wasteful number, since it uses less digits than its factorization.

12431653456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19603 (or 19597 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The spelling of 12431653456 in words is "twelve billion, four hundred thirty-one million, six hundred fifty-three thousand, four hundred fifty-six".