39375556664 has 32 divisors (see below), whose sum is σ = 76388508000. Its totient is φ = 19005528192.

The previous prime is 39375556639. The next prime is 39375556673. The reversal of 39375556664 is 46665557393.

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 congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742462 + ... + 1764914.

It is an arithmetic number, because the mean of its divisors is an integer number (2387140875).

Almost surely, 2^39375556664 is an apocalyptic number.

It is an amenable number.

39375556664 is a deficient number, since it is larger than the sum of its proper divisors (37012951336).

39375556664 is a wasteful number, since it uses less digits than its factorization.

39375556664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30047 (or 30043 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 59.

The spelling of 39375556664 in words is "thirty-nine billion, three hundred seventy-five million, five hundred fifty-six thousand, six hundred sixty-four".