63380930556 has 12 divisors (see below), whose sum is σ = 147888837992. Its totient is φ = 21126976848.

The previous prime is 63380930537. The next prime is 63380930579. The reversal of 63380930556 is 65503908336.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2640872095 + ... + 2640872118.

Almost surely, 2^63380930556 is an apocalyptic number.

It is an amenable number.

63380930556 is an abundant number, since it is smaller than the sum of its proper divisors (84507907436).

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

63380930556 is a wasteful number, since it uses less digits than its factorization.

63380930556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281744220 (or 5281744218 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 63380930556 in words is "sixty-three billion, three hundred eighty million, nine hundred thirty thousand, five hundred fifty-six".