63571459988 has 12 divisors (see below), whose sum is σ = 111252483552. Its totient is φ = 31785036120.

The previous prime is 63571459969. The next prime is 63571459993. The reversal of 63571459988 is 88995417536.

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, 70931 + ... + 363557.

It is an arithmetic number, because the mean of its divisors is an integer number (9271040296).

Almost surely, 2^63571459988 is an apocalyptic number.

It is an amenable number.

63571459988 is a deficient number, since it is larger than the sum of its proper divisors (47681023564).

63571459988 is a wasteful number, since it uses less digits than its factorization.

63571459988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346942 (or 346940 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 65.

The spelling of 63571459988 in words is "sixty-three billion, five hundred seventy-one million, four hundred fifty-nine thousand, nine hundred eighty-eight".