649070039164 has 12 divisors (see below), whose sum is σ = 1136145840984. Its totient is φ = 324456941744.

The previous prime is 649070039143. The next prime is 649070039207. The reversal of 649070039164 is 461930070946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19500754 + ... + 19534009.

It is an arithmetic number, because the mean of its divisors is an integer number (94678820082).

Almost surely, 2^649070039164 is an apocalyptic number.

It is an amenable number.

649070039164 is a deficient number, since it is larger than the sum of its proper divisors (487075801820).

649070039164 is a wasteful number, since it uses less digits than its factorization.

649070039164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39038924 (or 39038922 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 649070039164 in words is "six hundred forty-nine billion, seventy million, thirty-nine thousand, one hundred sixty-four".