63974819722 has 32 divisors (see below), whose sum is σ = 108089510400. Its totient is φ = 28134523200.

The previous prime is 63974819681. The next prime is 63974819767. The reversal of 63974819722 is 22791847936.

63974819722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3611904 + ... + 3629572.

It is an arithmetic number, because the mean of its divisors is an integer number (3377797200).

Almost surely, 2^63974819722 is an apocalyptic number.

63974819722 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63974819722 is a deficient number, since it is larger than the sum of its proper divisors (44114690678).

63974819722 is a wasteful number, since it uses less digits than its factorization.

63974819722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23022.

The product of its digits is 9144576, while the sum is 58.

The spelling of 63974819722 in words is "sixty-three billion, nine hundred seventy-four million, eight hundred nineteen thousand, seven hundred twenty-two".