63374721364 has 24 divisors (see below), whose sum is σ = 117313076160. Its totient is φ = 29894445504.

The previous prime is 63374721343. The next prime is 63374721391. The reversal of 63374721364 is 46312747336.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 4711474 + ... + 4724905.

It is an arithmetic number, because the mean of its divisors is an integer number (4888044840).

Almost surely, 2^63374721364 is an apocalyptic number.

It is an amenable number.

63374721364 is a deficient number, since it is larger than the sum of its proper divisors (53938354796).

63374721364 is a wasteful number, since it uses less digits than its factorization.

63374721364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436479 (or 9436477 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 46.

The spelling of 63374721364 in words is "sixty-three billion, three hundred seventy-four million, seven hundred twenty-one thousand, three hundred sixty-four".