649350628592 has 40 divisors (see below), whose sum is σ = 1283358639552. Its totient is φ = 318199737600.

The previous prime is 649350628573. The next prime is 649350628613. The reversal of 649350628592 is 295826053946.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930584 + ... + 1471287.

Almost surely, 2^649350628592 is an apocalyptic number.

It is an amenable number.

649350628592 is a deficient number, since it is larger than the sum of its proper divisors (634008010960).

649350628592 is a wasteful number, since it uses less digits than its factorization.

649350628592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402217 (or 2402211 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 649350628592 in words is "six hundred forty-nine billion, three hundred fifty million, six hundred twenty-eight thousand, five hundred ninety-two".