648726323696 has 30 divisors (see below), whose sum is σ = 1381559215176. Its totient is φ = 294875600800.

The previous prime is 648726323689. The next prime is 648726323723. The reversal of 648726323696 is 696323627846.

It is a super-2 number, since 2×648726323696² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167541020 + ... + 167544891.

Almost surely, 2^648726323696 is an apocalyptic number.

It is an amenable number.

648726323696 is an abundant number, since it is smaller than the sum of its proper divisors (732832891480).

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

648726323696 is a wasteful number, since it uses less digits than its factorization.

648726323696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335085941 (or 335085924 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 62.

The spelling of 648726323696 in words is "six hundred forty-eight billion, seven hundred twenty-six million, three hundred twenty-three thousand, six hundred ninety-six".