8092981521 has 27 divisors (see below), whose sum is σ = 11826712443. Its totient is φ = 5332888080.

The previous prime is 8092981493. The next prime is 8092981573. The reversal of 8092981521 is 1251892908.

The square root of 8092981521 is 89961.

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

It can be written as a sum of positive squares in only one way, i.e., 2372177025 + 5720804496 = 48705^2 + 75636^2 .

It is not a de Polignac number, because 8092981521 - 2²⁷ = 7958763793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8092981321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 42371536 + ... + 42371726.

Almost surely, 2^8092981521 is an apocalyptic number.

8092981521 is the 89961-st square number.

8092981521 is the 44981-st centered octagonal number.

It is an amenable number.

8092981521 is a deficient number, since it is larger than the sum of its proper divisors (3733730922).

8092981521 is an equidigital number, since it uses as much as digits as its factorization.

8092981521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The cubic root of 8092981521 is about 2007.7186331135.

The spelling of 8092981521 in words is "eight billion, ninety-two million, nine hundred eighty-one thousand, five hundred twenty-one".