13952916857 has 32 divisors (see below), whose sum is σ = 16374369024. Its totient is φ = 11760249600.

The previous prime is 13952916853. The next prime is 13952916881. The reversal of 13952916857 is 75861925931.

It is a happy number.

It is not a de Polignac number, because 13952916857 - 2² = 13952916853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13952916851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2590307 + ... + 2595687.

It is an arithmetic number, because the mean of its divisors is an integer number (511699032).

Almost surely, 2^13952916857 is an apocalyptic number.

It is an amenable number.

13952916857 is a deficient number, since it is larger than the sum of its proper divisors (2421452167).

13952916857 is a wasteful number, since it uses less digits than its factorization.

13952916857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729.

The product of its digits is 4082400, while the sum is 56.

The spelling of 13952916857 in words is "thirteen billion, nine hundred fifty-two million, nine hundred sixteen thousand, eight hundred fifty-seven".