90296935231 has 2 divisors, whose sum is σ = 90296935232. Its totient is φ = 90296935230.

The previous prime is 90296935177. The next prime is 90296935241. The reversal of 90296935231 is 13253969209.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90296935231 - 2²⁹ = 89760064319 is a prime.

It is a super-2 number, since 2×90296935231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90296935241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45148467615 + 45148467616.

It is an arithmetic number, because the mean of its divisors is an integer number (45148467616).

Almost surely, 2^90296935231 is an apocalyptic number.

90296935231 is a deficient number, since it is larger than the sum of its proper divisors (1).

90296935231 is an equidigital number, since it uses as much as digits as its factorization.

90296935231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 49.

The spelling of 90296935231 in words is "ninety billion, two hundred ninety-six million, nine hundred thirty-five thousand, two hundred thirty-one".