921714693136 has 10 divisors (see below), whose sum is σ = 1785822217982. Its totient is φ = 460857346560.

The previous prime is 921714693089. The next prime is 921714693169. The reversal of 921714693136 is 631396417129.

It can be written as a sum of positive squares in only one way, i.e., 529337733136 + 392376960000 = 727556^2 + 626400^2 .

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 as a sum of consecutive naturals, namely, 28803584145 + ... + 28803584176.

Almost surely, 2^921714693136 is an apocalyptic number.

It is an amenable number.

921714693136 is a deficient number, since it is larger than the sum of its proper divisors (864107524846).

921714693136 is a wasteful number, since it uses less digits than its factorization.

921714693136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57607168329 (or 57607168323 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 52.

The spelling of 921714693136 in words is "nine hundred twenty-one billion, seven hundred fourteen million, six hundred ninety-three thousand, one hundred thirty-six".