648274411064 has 16 divisors (see below), whose sum is σ = 1389159452400. Its totient is φ = 277831890432.

The previous prime is 648274411051. The next prime is 648274411091. The reversal of 648274411064 is 460114472846.

648274411064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648274411064² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5788164329 + ... + 5788164440.

It is an arithmetic number, because the mean of its divisors is an integer number (86822465775).

Almost surely, 2^648274411064 is an apocalyptic number.

It is an amenable number.

648274411064 is an abundant number, since it is smaller than the sum of its proper divisors (740885041336).

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

648274411064 is a wasteful number, since it uses less digits than its factorization.

648274411064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576328782 (or 11576328778 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 648274411064 in words is "six hundred forty-eight billion, two hundred seventy-four million, four hundred eleven thousand, sixty-four".