39674315864 has 16 divisors (see below), whose sum is σ = 74401722720. Its totient is φ = 19833856480.

The previous prime is 39674315861. The next prime is 39674315869. The reversal of 39674315864 is 46851347693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39674315861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361232 + ... + 458079.

It is an arithmetic number, because the mean of its divisors is an integer number (4650107670).

Almost surely, 2^39674315864 is an apocalyptic number.

It is an amenable number.

39674315864 is a deficient number, since it is larger than the sum of its proper divisors (34727406856).

39674315864 is a wasteful number, since it uses less digits than its factorization.

39674315864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825370 (or 825366 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 56.

The spelling of 39674315864 in words is "thirty-nine billion, six hundred seventy-four million, three hundred fifteen thousand, eight hundred sixty-four".