13931814764 has 12 divisors (see below), whose sum is σ = 27863629584. Its totient is φ = 5970777744.

The previous prime is 13931814763. The next prime is 13931814779. The reversal of 13931814764 is 46741813931.

13931814764 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13931814763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248782379 + ... + 248782434.

It is an arithmetic number, because the mean of its divisors is an integer number (2321969132).

Almost surely, 2^13931814764 is an apocalyptic number.

13931814764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13931814764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13931814764 is a wasteful number, since it uses less digits than its factorization.

13931814764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497564824 (or 497564822 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The spelling of 13931814764 in words is "thirteen billion, nine hundred thirty-one million, eight hundred fourteen thousand, seven hundred sixty-four".