62931985139 has 2 divisors, whose sum is σ = 62931985140. Its totient is φ = 62931985138.

The previous prime is 62931985111. The next prime is 62931985157. The reversal of 62931985139 is 93158913926.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62931985139 - 2⁸ = 62931984883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (62931985159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31465992569 + 31465992570.

It is an arithmetic number, because the mean of its divisors is an integer number (31465992570).

Almost surely, 2^62931985139 is an apocalyptic number.

62931985139 is a deficient number, since it is larger than the sum of its proper divisors (1).

62931985139 is an equidigital number, since it uses as much as digits as its factorization.

62931985139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 56.

The spelling of 62931985139 in words is "sixty-two billion, nine hundred thirty-one million, nine hundred eighty-five thousand, one hundred thirty-nine".