8999831492 has 6 divisors (see below), whose sum is σ = 15749705118. Its totient is φ = 4499915744.

The previous prime is 8999831453. The next prime is 8999831513. The reversal of 8999831492 is 2941389998.

It can be written as a sum of positive squares in only one way, i.e., 4819691776 + 4180139716 = 69424^2 + 64654^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124978933 + ... + 1124978940.

It is an arithmetic number, because the mean of its divisors is an integer number (2624950853).

Almost surely, 2^8999831492 is an apocalyptic number.

It is an amenable number.

8999831492 is a deficient number, since it is larger than the sum of its proper divisors (6749873626).

8999831492 is a wasteful number, since it uses less digits than its factorization.

8999831492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249957877 (or 2249957875 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 62.

The square root of 8999831492 is about 94867.4416857543. The cubic root of 8999831492 is about 2080.0708410907.

The spelling of 8999831492 in words is "eight billion, nine hundred ninety-nine million, eight hundred thirty-one thousand, four hundred ninety-two".