39390656675 has 18 divisors (see below), whose sum is σ = 49444249428. Its totient is φ = 31125710880.

The previous prime is 39390656659. The next prime is 39390656699. The reversal of 39390656675 is 57665609393.

It is not a de Polignac number, because 39390656675 - 2⁴ = 39390656659 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9038597 + ... + 9042953.

It is an arithmetic number, because the mean of its divisors is an integer number (2746902746).

Almost surely, 2^39390656675 is an apocalyptic number.

39390656675 is a deficient number, since it is larger than the sum of its proper divisors (10053592753).

39390656675 is an frugal number, since it uses more digits than its factorization.

39390656675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 59.

The spelling of 39390656675 in words is "thirty-nine billion, three hundred ninety million, six hundred fifty-six thousand, six hundred seventy-five".