63315309376 has 56 divisors (see below), whose sum is σ = 144277140960. Its totient is φ = 27264960000.

The previous prime is 63315309367. The next prime is 63315309401. The reversal of 63315309376 is 67390351336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353375 + ... + 2380126.

Almost surely, 2^63315309376 is an apocalyptic number.

It is an amenable number.

63315309376 is an abundant number, since it is smaller than the sum of its proper divisors (80961831584).

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

63315309376 is a wasteful number, since it uses less digits than its factorization.

63315309376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733543 (or 4733533 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 46.

The spelling of 63315309376 in words is "sixty-three billion, three hundred fifteen million, three hundred nine thousand, three hundred seventy-six".