63613139404 has 24 divisors (see below), whose sum is σ = 112237348608. Its totient is φ = 31545605520.

The previous prime is 63613139327. The next prime is 63613139431. The reversal of 63613139404 is 40493131636.

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, 900249 + ... + 968335.

It is an arithmetic number, because the mean of its divisors is an integer number (4676556192).

Almost surely, 2^63613139404 is an apocalyptic number.

It is an amenable number.

63613139404 is a deficient number, since it is larger than the sum of its proper divisors (48624209204).

63613139404 is a wasteful number, since it uses less digits than its factorization.

63613139404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70005 (or 70003 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 63613139404 in words is "sixty-three billion, six hundred thirteen million, one hundred thirty-nine thousand, four hundred four".