648379508607 has 24 divisors (see below), whose sum is σ = 948146859296. Its totient is φ = 426918076416.

The previous prime is 648379508599. The next prime is 648379508617. The reversal of 648379508607 is 706805973846.

648379508607 is a `hidden beast` number, since 6 + 483 + 7 + 95 + 0 + 8 + 60 + 7 = 666.

It is not a de Polignac number, because 648379508607 - 2³ = 648379508599 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648379508617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337378 + ... + 1187679.

Almost surely, 2^648379508607 is an apocalyptic number.

648379508607 is a deficient number, since it is larger than the sum of its proper divisors (299767350689).

648379508607 is a wasteful number, since it uses less digits than its factorization.

648379508607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525647 (or 1525644 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 648379508607 in words is "six hundred forty-eight billion, three hundred seventy-nine million, five hundred eight thousand, six hundred seven".