90026330813 has 2 divisors, whose sum is σ = 90026330814. Its totient is φ = 90026330812.

The previous prime is 90026330777. The next prime is 90026330819. The reversal of 90026330813 is 31803362009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86373095449 + 3653235364 = 293893^2 + 60442^2 .

It is a cyclic number.

It is not a de Polignac number, because 90026330813 - 2¹⁸ = 90026068669 is a prime.

It is a super-3 number, since 3×90026330813³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90026330819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45013165406 + 45013165407.

It is an arithmetic number, because the mean of its divisors is an integer number (45013165407).

Almost surely, 2^90026330813 is an apocalyptic number.

It is an amenable number.

90026330813 is a deficient number, since it is larger than the sum of its proper divisors (1).

90026330813 is an equidigital number, since it uses as much as digits as its factorization.

90026330813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 90026330813 in words is "ninety billion, twenty-six million, three hundred thirty thousand, eight hundred thirteen".