13856313608472 has 64 divisors (see below), whose sum is σ = 34817933767680. Its totient is φ = 4595177204352.

The previous prime is 13856313608413. The next prime is 13856313608483. The reversal of 13856313608472 is 27480631365831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7736563 + ... + 9357725.

It is an arithmetic number, because the mean of its divisors is an integer number (544030215120).

Almost surely, 2^{13856313608472} is an apocalyptic number.

13856313608472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13856313608472 is an abundant number, since it is smaller than the sum of its proper divisors (20961620159208).

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

13856313608472 is a wasteful number, since it uses less digits than its factorization.

13856313608472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622992 (or 1622988 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 13856313608472 in words is "thirteen trillion, eight hundred fifty-six billion, three hundred thirteen million, six hundred eight thousand, four hundred seventy-two".