92142402921 has 18 divisors (see below), whose sum is σ = 136419989550. Its totient is φ = 59930008320.

The previous prime is 92142402901. The next prime is 92142402929. The reversal of 92142402921 is 12920424129.

92142402921 is a `hidden beast` number, since 92 + 142 + 402 + 9 + 21 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 378847296 + 91763555625 = 19464^2 + 302925^2 .

It is not a de Polignac number, because 92142402921 - 2⁶ = 92142402857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (92142402929) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3030096 + ... + 3060353.

Almost surely, 2^92142402921 is an apocalyptic number.

It is an amenable number.

92142402921 is a deficient number, since it is larger than the sum of its proper divisors (44277586629).

92142402921 is a wasteful number, since it uses less digits than its factorization.

92142402921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090537 (or 6090493 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 92142402921 in words is "ninety-two billion, one hundred forty-two million, four hundred two thousand, nine hundred twenty-one".