8921492133 has 32 divisors (see below), whose sum is σ = 12569774976. Its totient is φ = 5622110208.

The previous prime is 8921492119. The next prime is 8921492143. The reversal of 8921492133 is 3312941298.

It is a de Polignac number, because none of the positive numbers 2^k-8921492133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921492113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534685 + ... + 551117.

It is an arithmetic number, because the mean of its divisors is an integer number (392805468).

Almost surely, 2^8921492133 is an apocalyptic number.

It is an amenable number.

8921492133 is a deficient number, since it is larger than the sum of its proper divisors (3648282843).

8921492133 is a wasteful number, since it uses less digits than its factorization.

8921492133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16613.

The product of its digits is 93312, while the sum is 42.

The square root of 8921492133 is about 94453.6507129290. The cubic root of 8921492133 is about 2074.0178936260.

The spelling of 8921492133 in words is "eight billion, nine hundred twenty-one million, four hundred ninety-two thousand, one hundred thirty-three".