63894700022 has 32 divisors (see below), whose sum is σ = 105022137600. Its totient is φ = 29019368448.

The previous prime is 63894699991. The next prime is 63894700057. The reversal of 63894700022 is 22000749836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669018 + ... + 2692850.

It is an arithmetic number, because the mean of its divisors is an integer number (3281941800).

Almost surely, 2^63894700022 is an apocalyptic number.

63894700022 is a deficient number, since it is larger than the sum of its proper divisors (41127437578).

63894700022 is a wasteful number, since it uses less digits than its factorization.

63894700022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26600.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 63894700022 in words is "sixty-three billion, eight hundred ninety-four million, seven hundred thousand, twenty-two".