63918774612 has 108 divisors (see below), whose sum is σ = 205038209376. Its totient is φ = 16602274080.

The previous prime is 63918774553. The next prime is 63918774629. The reversal of 63918774612 is 21647781936.

63918774612 is a `hidden beast` number, since 6 + 3 + 9 + 18 + 7 + 7 + 4 + 612 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1627648 + ... + 1666455.

Almost surely, 2^63918774612 is an apocalyptic number.

It is an amenable number.

63918774612 is an abundant number, since it is smaller than the sum of its proper divisors (141119434764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63918774612 is a wasteful number, since it uses less digits than its factorization.

63918774612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294138 (or 3294126 counting only the distinct ones).

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

The spelling of 63918774612 in words is "sixty-three billion, nine hundred eighteen million, seven hundred seventy-four thousand, six hundred twelve".