63469931172 has 24 divisors (see below), whose sum is σ = 149534339136. Its totient is φ = 20951239008.

The previous prime is 63469931113. The next prime is 63469931233. The reversal of 63469931172 is 27113996436.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25674303 + ... + 25676774.

It is an arithmetic number, because the mean of its divisors is an integer number (6230597464).

Almost surely, 2^63469931172 is an apocalyptic number.

It is an amenable number.

63469931172 is an abundant number, since it is smaller than the sum of its proper divisors (86064407964).

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

63469931172 is a wasteful number, since it uses less digits than its factorization.

63469931172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51351187 (or 51351185 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 51.

The spelling of 63469931172 in words is "sixty-three billion, four hundred sixty-nine million, nine hundred thirty-one thousand, one hundred seventy-two".