39937090979 has 2 divisors, whose sum is σ = 39937090980. Its totient is φ = 39937090978.

The previous prime is 39937090927. The next prime is 39937091017. The reversal of 39937090979 is 97909073993.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39937090979 - 2³² = 35642123683 is a prime.

It is not a weakly prime, because it can be changed into another prime (39937090279) 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 as a sum of consecutive naturals, namely, 19968545489 + 19968545490.

It is an arithmetic number, because the mean of its divisors is an integer number (19968545490).

Almost surely, 2^39937090979 is an apocalyptic number.

39937090979 is a deficient number, since it is larger than the sum of its proper divisors (1).

39937090979 is an equidigital number, since it uses as much as digits as its factorization.

39937090979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26040609, while the sum is 65.

The spelling of 39937090979 in words is "thirty-nine billion, nine hundred thirty-seven million, ninety thousand, nine hundred seventy-nine".