63539429572 has 12 divisors (see below), whose sum is σ = 111216280000. Its totient is φ = 31763349576.

The previous prime is 63539429567. The next prime is 63539429587. The reversal of 63539429572 is 27592493536.

63539429572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63539429572² (a number of 22 digits) contains 22 as substring.

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, 1568808 + ... + 1608799.

Almost surely, 2^63539429572 is an apocalyptic number.

It is an amenable number.

63539429572 is a deficient number, since it is larger than the sum of its proper divisors (47676850428).

63539429572 is a wasteful number, since it uses less digits than its factorization.

63539429572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182610 (or 3182608 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 55.

The spelling of 63539429572 in words is "sixty-three billion, five hundred thirty-nine million, four hundred twenty-nine thousand, five hundred seventy-two".