39690495999 has 96 divisors (see below), whose sum is σ = 73300391424. Its totient is φ = 20097642240.

The previous prime is 39690495973. The next prime is 39690496067. The reversal of 39690495999 is 99959409693.

It is not a de Polignac number, because 39690495999 - 2⁵ = 39690495967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39690495199) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5763012 + ... + 5769894.

It is an arithmetic number, because the mean of its divisors is an integer number (763545744).

Almost surely, 2^39690495999 is an apocalyptic number.

39690495999 is a deficient number, since it is larger than the sum of its proper divisors (33609895425).

39690495999 is a wasteful number, since it uses less digits than its factorization.

39690495999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7117 (or 7114 counting only the distinct ones).

The product of its (nonzero) digits is 191318760, while the sum is 72.

The spelling of 39690495999 in words is "thirty-nine billion, six hundred ninety million, four hundred ninety-five thousand, nine hundred ninety-nine".