648079137204 has 48 divisors (see below), whose sum is σ = 1548878553600. Its totient is φ = 210837077856.

The previous prime is 648079137191. The next prime is 648079137217. The reversal of 648079137204 is 402731970846.

648079137204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (648079137191) and next prime (648079137217).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194272 + ... + 3391095.

It is an arithmetic number, because the mean of its divisors is an integer number (32268303200).

Almost surely, 2^648079137204 is an apocalyptic number.

It is an amenable number.

648079137204 is an abundant number, since it is smaller than the sum of its proper divisors (900799416396).

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

648079137204 is a wasteful number, since it uses less digits than its factorization.

648079137204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6585572 (or 6585570 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 648079137204 in words is "six hundred forty-eight billion, seventy-nine million, one hundred thirty-seven thousand, two hundred four".