64825818936 has 16 divisors (see below), whose sum is σ = 162064547400. Its totient is φ = 21608606304.

The previous prime is 64825818917. The next prime is 64825818961. The reversal of 64825818936 is 63981852846.

It is a self number, because there is not a number n which added to its sum of digits gives 64825818936.

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, 1350537871 + ... + 1350537918.

Almost surely, 2^64825818936 is an apocalyptic number.

It is an amenable number.

64825818936 is an abundant number, since it is smaller than the sum of its proper divisors (97238728464).

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

64825818936 is a wasteful number, since it uses less digits than its factorization.

64825818936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701075798 (or 2701075794 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 64825818936 in words is "sixty-four billion, eight hundred twenty-five million, eight hundred eighteen thousand, nine hundred thirty-six".