9023290081 has 9 divisors (see below), whose sum is σ = 9772118931. Its totient is φ = 8328050952.

The previous prime is 9023290069. The next prime is 9023290117. The reversal of 9023290081 is 1800923209.

The square root of 9023290081 is 94991.

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

9023290081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1334806225 + 7688483856 = 36535^2 + 87684^2 .

It is not a de Polignac number, because 9023290081 - 2¹³ = 9023281889 is a prime.

It is a super-2 number, since 2×9023290081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9023290061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1231230 + ... + 1238536.

Almost surely, 2^9023290081 is an apocalyptic number.

9023290081 is the 94991-st square number.

9023290081 is the 47496-th centered octagonal number.

It is an amenable number.

9023290081 is a deficient number, since it is larger than the sum of its proper divisors (748828850).

9023290081 is an frugal number, since it uses more digits than its factorization.

9023290081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14640 (or 7320 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The cubic root of 9023290081 is about 2081.8765486808.

The spelling of 9023290081 in words is "nine billion, twenty-three million, two hundred ninety thousand, eighty-one".