39636080639 has 2 divisors, whose sum is σ = 39636080640. Its totient is φ = 39636080638.

The previous prime is 39636080611. The next prime is 39636080681. The reversal of 39636080639 is 93608063693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39636080639 - 2²⁸ = 39367645183 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39636080699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19818040319 + 19818040320.

It is an arithmetic number, because the mean of its divisors is an integer number (19818040320).

Almost surely, 2^39636080639 is an apocalyptic number.

39636080639 is a deficient number, since it is larger than the sum of its proper divisors (1).

39636080639 is an equidigital number, since it uses as much as digits as its factorization.

39636080639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 53.

The spelling of 39636080639 in words is "thirty-nine billion, six hundred thirty-six million, eighty thousand, six hundred thirty-nine".