8902232962921 has 3 divisors (see below), whose sum is σ = 8902235946583. Its totient is φ = 8902229979260.

The previous prime is 8902232962901. The next prime is 8902232962927. The reversal of 8902232962921 is 1292692322098.

The square root of 8902232962921 is 2983661.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8402977666521 + 499255296400 = 2898789^2 + 706580^2 .

It is not a de Polignac number, because 8902232962921 - 2¹⁵ = 8902232930153 is a prime.

It is a super-2 number, since 2×8902232962921² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8902232962927) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1491831 + ... + 4475491.

Almost surely, 2^{8902232962921} is an apocalyptic number.

8902232962921 is the 2983661-st square number.

8902232962921 is the 1491831-st centered octagonal number.

It is an amenable number.

8902232962921 is a deficient number, since it is larger than the sum of its proper divisors (2983662).

8902232962921 is an frugal number, since it uses more digits than its factorization.

8902232962921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967322 (or 2983661 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 8902232962921 in words is "eight trillion, nine hundred two billion, two hundred thirty-two million, nine hundred sixty-two thousand, nine hundred twenty-one".