13932566857 has 16 divisors (see below), whose sum is σ = 15657263424. Its totient is φ = 12286296000.

The previous prime is 13932566819. The next prime is 13932566861. The reversal of 13932566857 is 75866523931.

13932566857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13932566857 - 2³¹ = 11785083209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13932566798 and 13932566807.

It is not an unprimeable number, because it can be changed into a prime (13932566897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83007 + ... + 186427.

It is an arithmetic number, because the mean of its divisors is an integer number (978578964).

Almost surely, 2^13932566857 is an apocalyptic number.

It is an amenable number.

13932566857 is a deficient number, since it is larger than the sum of its proper divisors (1724696567).

13932566857 is a wasteful number, since it uses less digits than its factorization.

13932566857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103800.

The product of its digits is 8164800, while the sum is 55.

The spelling of 13932566857 in words is "thirteen billion, nine hundred thirty-two million, five hundred sixty-six thousand, eight hundred fifty-seven".