13895993856 has 40 divisors (see below), whose sum is σ = 37019800224. Its totient is φ = 4631997440.

The previous prime is 13895993819. The next prime is 13895993873. The reversal of 13895993856 is 65839959831.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521900 + ... + 4524971.

Almost surely, 2^13895993856 is an apocalyptic number.

13895993856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13895993856 is an abundant number, since it is smaller than the sum of its proper divisors (23123806368).

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

13895993856 is an frugal number, since it uses more digits than its factorization.

13895993856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046892 (or 9046876 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 66.

The spelling of 13895993856 in words is "thirteen billion, eight hundred ninety-five million, nine hundred ninety-three thousand, eight hundred fifty-six".