102979721632 has 24 divisors (see below), whose sum is σ = 202817061216. Its totient is φ = 51470626752.

The previous prime is 102979721627. The next prime is 102979721641. The reversal of 102979721632 is 236127979201.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 513868 + ... + 685579.

It is an arithmetic number, because the mean of its divisors is an integer number (8450710884).

Almost surely, 2^102979721632 is an apocalyptic number.

It is an amenable number.

102979721632 is a deficient number, since it is larger than the sum of its proper divisors (99837339584).

102979721632 is a wasteful number, since it uses less digits than its factorization.

102979721632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202140 (or 1202132 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 102979721632 in words is "one hundred two billion, nine hundred seventy-nine million, seven hundred twenty-one thousand, six hundred thirty-two".