12939263937 has 6 divisors (see below), whose sum is σ = 18690047922. Its totient is φ = 8626175952.

The previous prime is 12939263851. The next prime is 12939263951. The reversal of 12939263937 is 73936293921.

12939263937 is a `hidden beast` number, since 1 + 293 + 9 + 263 + 93 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11922674481 + 1016589456 = 109191^2 + 31884^2 .

It is not a de Polignac number, because 12939263937 - 2¹¹ = 12939261889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12939243937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 718847988 + ... + 718848005.

It is an arithmetic number, because the mean of its divisors is an integer number (3115007987).

Almost surely, 2^12939263937 is an apocalyptic number.

It is an amenable number.

12939263937 is a deficient number, since it is larger than the sum of its proper divisors (5750783985).

12939263937 is a wasteful number, since it uses less digits than its factorization.

12939263937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437695999 (or 1437695996 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 54.

The spelling of 12939263937 in words is "twelve billion, nine hundred thirty-nine million, two hundred sixty-three thousand, nine hundred thirty-seven".