63764394968 has 16 divisors (see below), whose sum is σ = 119563960680. Its totient is φ = 31880672128.

The previous prime is 63764394961. The next prime is 63764395007. The reversal of 63764394968 is 86949346736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63764394961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 357117.

Almost surely, 2^63764394968 is an apocalyptic number.

It is an amenable number.

63764394968 is a deficient number, since it is larger than the sum of its proper divisors (55799565712).

63764394968 is a wasteful number, since it uses less digits than its factorization.

63764394968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381346 (or 381342 counting only the distinct ones).

The product of its digits is 141087744, while the sum is 65.

The spelling of 63764394968 in words is "sixty-three billion, seven hundred sixty-four million, three hundred ninety-four thousand, nine hundred sixty-eight".