63504864528 has 40 divisors (see below), whose sum is σ = 187490553408. Its totient is φ = 18144246912.

The previous prime is 63504864517. The next prime is 63504864569. The reversal of 63504864528 is 82546840536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94500951 + ... + 94501622.

Almost surely, 2^63504864528 is an apocalyptic number.

It is an amenable number.

63504864528 is an abundant number, since it is smaller than the sum of its proper divisors (123985688880).

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

63504864528 is a wasteful number, since it uses less digits than its factorization.

63504864528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189002591 (or 189002585 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 51.

The spelling of 63504864528 in words is "sixty-three billion, five hundred four million, eight hundred sixty-four thousand, five hundred twenty-eight".