102389929672 has 16 divisors (see below), whose sum is σ = 194138210700. Its totient is φ = 50619740160.

The previous prime is 102389929669. The next prime is 102389929687. The reversal of 102389929672 is 276929983201.

It can be written as a sum of positive squares in 2 ways, for example, as 99317001316 + 3072928356 = 315146^2 + 55434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71902329 + ... + 71903752.

Almost surely, 2^102389929672 is an apocalyptic number.

It is an amenable number.

102389929672 is a deficient number, since it is larger than the sum of its proper divisors (91748281028).

102389929672 is a wasteful number, since it uses less digits than its factorization.

102389929672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143806176 (or 143806172 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 102389929672 in words is "one hundred two billion, three hundred eighty-nine million, nine hundred twenty-nine thousand, six hundred seventy-two".