63108221139 has 24 divisors (see below), whose sum is σ = 94139260800. Its totient is φ = 40696629120.

The previous prime is 63108221131. The next prime is 63108221161. The reversal of 63108221139 is 93112280136.

63108221139 is a `hidden beast` number, since 631 + 0 + 8 + 2 + 2 + 1 + 13 + 9 = 666.

It is not a de Polignac number, because 63108221139 - 2³ = 63108221131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63108221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583207 + ... + 682895.

It is an arithmetic number, because the mean of its divisors is an integer number (3922469200).

Almost surely, 2^63108221139 is an apocalyptic number.

63108221139 is a deficient number, since it is larger than the sum of its proper divisors (31031039661).

63108221139 is a wasteful number, since it uses less digits than its factorization.

63108221139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101995 (or 101992 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 63108221139 in words is "sixty-three billion, one hundred eight million, two hundred twenty-one thousand, one hundred thirty-nine".