649054812792 has 32 divisors (see below), whose sum is σ = 1624594424400. Its totient is φ = 216090618624.

The previous prime is 649054812743. The next prime is 649054812793. The reversal of 649054812792 is 297218450946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649054812793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16291293 + ... + 16331084.

Almost surely, 2^649054812792 is an apocalyptic number.

It is an amenable number.

649054812792 is an abundant number, since it is smaller than the sum of its proper divisors (975539611608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649054812792 is a wasteful number, since it uses less digits than its factorization.

649054812792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32623215 (or 32623211 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 649054812792 in words is "six hundred forty-nine billion, fifty-four million, eight hundred twelve thousand, seven hundred ninety-two".