649073596 has 6 divisors (see below), whose sum is σ = 1135878800. Its totient is φ = 324536796.

The previous prime is 649073591. The next prime is 649073603. The reversal of 649073596 is 695370946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649073591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81134196 + ... + 81134203.

Almost surely, 2^649073596 is an apocalyptic number.

It is an amenable number.

649073596 is a deficient number, since it is larger than the sum of its proper divisors (486805204).

649073596 is a wasteful number, since it uses less digits than its factorization.

649073596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162268403 (or 162268401 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 649073596 is about 25476.9228126161. The cubic root of 649073596 is about 865.8273776900.

The spelling of 649073596 in words is "six hundred forty-nine million, seventy-three thousand, five hundred ninety-six".