63731342964 has 24 divisors (see below), whose sum is σ = 153834276960. Its totient is φ = 20511236704.

The previous prime is 63731342953. The next prime is 63731342981. The reversal of 63731342964 is 46924313736.

It is a congruent number.

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, 91567674 + ... + 91568369.

It is an arithmetic number, because the mean of its divisors is an integer number (6409761540).

Almost surely, 2^63731342964 is an apocalyptic number.

It is an amenable number.

63731342964 is an abundant number, since it is smaller than the sum of its proper divisors (90102933996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63731342964 is a wasteful number, since it uses less digits than its factorization.

63731342964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183136079 (or 183136077 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 48.

The spelling of 63731342964 in words is "sixty-three billion, seven hundred thirty-one million, three hundred forty-two thousand, nine hundred sixty-four".