63515714648 has 32 divisors (see below), whose sum is σ = 121693017600. Its totient is φ = 31064990112.

The previous prime is 63515714629. The next prime is 63515714663. The reversal of 63515714648 is 84641751536.

63515714648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 63515714596 and 63515714605.

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, 648743 + ... + 740201.

It is an arithmetic number, because the mean of its divisors is an integer number (3802906800).

Almost surely, 2^63515714648 is an apocalyptic number.

It is an amenable number.

63515714648 is a deficient number, since it is larger than the sum of its proper divisors (58177302952).

63515714648 is a wasteful number, since it uses less digits than its factorization.

63515714648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93359 (or 93355 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 63515714648 in words is "sixty-three billion, five hundred fifteen million, seven hundred fourteen thousand, six hundred forty-eight".