13932566844 has 24 divisors (see below), whose sum is σ = 37153511808. Its totient is φ = 3980733360.

The previous prime is 13932566819. The next prime is 13932566861. The reversal of 13932566844 is 44866523931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82931862 + ... + 82932029.

It is an arithmetic number, because the mean of its divisors is an integer number (1548062992).

Almost surely, 2^13932566844 is an apocalyptic number.

13932566844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13932566844 is an abundant number, since it is smaller than the sum of its proper divisors (23220944964).

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

13932566844 is a wasteful number, since it uses less digits than its factorization.

13932566844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165863905 (or 165863903 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 13932566844 in words is "thirteen billion, nine hundred thirty-two million, five hundred sixty-six thousand, eight hundred forty-four".