63717431488 has 28 divisors (see below), whose sum is σ = 126772939240. Its totient is φ = 31774643712.

The previous prime is 63717431473. The next prime is 63717431497. The reversal of 63717431488 is 88413471736.

It is a super-2 number, since 2×63717431488² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289181 + ... + 1337692.

Almost surely, 2^63717431488 is an apocalyptic number.

It is an amenable number.

63717431488 is a deficient number, since it is larger than the sum of its proper divisors (63055507752).

63717431488 is a wasteful number, since it uses less digits than its factorization.

63717431488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627264 (or 2627254 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The spelling of 63717431488 in words is "sixty-three billion, seven hundred seventeen million, four hundred thirty-one thousand, four hundred eighty-eight".