39990992695 has 32 divisors (see below), whose sum is σ = 52397549568. Its totient is φ = 29183789568.

The previous prime is 39990992677. The next prime is 39990992731. The reversal of 39990992695 is 59629909993.

It is not a de Polignac number, because 39990992695 - 2⁷ = 39990992567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362892 + ... + 460078.

It is an arithmetic number, because the mean of its divisors is an integer number (1637423424).

Almost surely, 2^39990992695 is an apocalyptic number.

39990992695 is a deficient number, since it is larger than the sum of its proper divisors (12406556873).

39990992695 is a wasteful number, since it uses less digits than its factorization.

39990992695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97359.

The product of its (nonzero) digits is 95659380, while the sum is 70.

The spelling of 39990992695 in words is "thirty-nine billion, nine hundred ninety million, nine hundred ninety-two thousand, six hundred ninety-five".