39516318079 has 12 divisors (see below), whose sum is σ = 45995210184. Its totient is φ = 33851052144.

The previous prime is 39516318067. The next prime is 39516318143. The reversal of 39516318079 is 97081361593.

It is a happy number.

It is not a de Polignac number, because 39516318079 - 2⁹ = 39516317567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39516318979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155217 + ... + 321130.

It is an arithmetic number, because the mean of its divisors is an integer number (3832934182).

Almost surely, 2^39516318079 is an apocalyptic number.

39516318079 is a deficient number, since it is larger than the sum of its proper divisors (6478892105).

39516318079 is a wasteful number, since it uses less digits than its factorization.

39516318079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478054 (or 478047 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 39516318079 in words is "thirty-nine billion, five hundred sixteen million, three hundred eighteen thousand, seventy-nine".