63338864536 has 8 divisors (see below), whose sum is σ = 118760371020. Its totient is φ = 31669432264.

The previous prime is 63338864513. The next prime is 63338864581. The reversal of 63338864536 is 63546883336.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3958679026 + ... + 3958679041.

Almost surely, 2^63338864536 is an apocalyptic number.

It is an amenable number.

63338864536 is a deficient number, since it is larger than the sum of its proper divisors (55421506484).

63338864536 is a wasteful number, since it uses less digits than its factorization.

63338864536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917358073 (or 7917358069 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 55.

The spelling of 63338864536 in words is "sixty-three billion, three hundred thirty-eight million, eight hundred sixty-four thousand, five hundred thirty-six".