39975146079 has 32 divisors (see below), whose sum is σ = 58755456000. Its totient is φ = 23974508160.

The previous prime is 39975146063. The next prime is 39975146131. The reversal of 39975146079 is 97064157993.

It is not a de Polignac number, because 39975146079 - 2⁴ = 39975146063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39975156079) 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 in 31 ways as a sum of consecutive naturals, for example, 1307562 + ... + 1337784.

It is an arithmetic number, because the mean of its divisors is an integer number (1836108000).

Almost surely, 2^39975146079 is an apocalyptic number.

39975146079 is a deficient number, since it is larger than the sum of its proper divisors (18780309921).

39975146079 is a wasteful number, since it uses less digits than its factorization.

39975146079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30655.

The product of its (nonzero) digits is 12859560, while the sum is 60.

The spelling of 39975146079 in words is "thirty-nine billion, nine hundred seventy-five million, one hundred forty-six thousand, seventy-nine".