63931492825139 has 2 divisors, whose sum is σ = 63931492825140. Its totient is φ = 63931492825138.

The previous prime is 63931492825133. The next prime is 63931492825243. The reversal of 63931492825139 is 93152829413936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63931492825139 - 2³² = 63927197857843 is a prime.

It is not a weakly prime, because it can be changed into another prime (63931492825133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31965746412569 + 31965746412570.

It is an arithmetic number, because the mean of its divisors is an integer number (31965746412570).

Almost surely, 2^{63931492825139} is an apocalyptic number.

63931492825139 is a deficient number, since it is larger than the sum of its proper divisors (1).

63931492825139 is an equidigital number, since it uses as much as digits as its factorization.

63931492825139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75582720, while the sum is 65.

The spelling of 63931492825139 in words is "sixty-three trillion, nine hundred thirty-one billion, four hundred ninety-two million, eight hundred twenty-five thousand, one hundred thirty-nine".