63714876921 has 12 divisors (see below), whose sum is σ = 92088841572. Its totient is φ = 42450626976.

The previous prime is 63714876899. The next prime is 63714876977. The reversal of 63714876921 is 12967841736.

63714876921 is a `hidden beast` number, since 6 + 3 + 71 + 487 + 6 + 92 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23054170896 + 40660706025 = 151836^2 + 201645^2 .

It is not a de Polignac number, because 63714876921 - 2⁹ = 63714876409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63714876221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2147586 + ... + 2177051.

It is an arithmetic number, because the mean of its divisors is an integer number (7674070131).

Almost surely, 2^63714876921 is an apocalyptic number.

It is an amenable number.

63714876921 is a deficient number, since it is larger than the sum of its proper divisors (28373964651).

63714876921 is a wasteful number, since it uses less digits than its factorization.

63714876921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326280 (or 4326277 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 63714876921 in words is "sixty-three billion, seven hundred fourteen million, eight hundred seventy-six thousand, nine hundred twenty-one".