63457457488 has 20 divisors (see below), whose sum is σ = 122973056800. Its totient is φ = 31722475104.

The previous prime is 63457457431. The next prime is 63457457509. The reversal of 63457457488 is 88475475436.

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, 306588 + ... + 470011.

It is an arithmetic number, because the mean of its divisors is an integer number (6148652840).

Almost surely, 2^63457457488 is an apocalyptic number.

It is an amenable number.

63457457488 is a deficient number, since it is larger than the sum of its proper divisors (59515599312).

63457457488 is a wasteful number, since it uses less digits than its factorization.

63457457488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781714 (or 781708 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 61.

The spelling of 63457457488 in words is "sixty-three billion, four hundred fifty-seven million, four hundred fifty-seven thousand, four hundred eighty-eight".