90246321313 has 2 divisors, whose sum is σ = 90246321314. Its totient is φ = 90246321312.

The previous prime is 90246321301. The next prime is 90246321317. The reversal of 90246321313 is 31312364209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56657328784 + 33588992529 = 238028^2 + 183273^2 .

It is a cyclic number.

It is not a de Polignac number, because 90246321313 - 2¹⁷ = 90246190241 is a prime.

It is not a weakly prime, because it can be changed into another prime (90246321317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45123160656 + 45123160657.

It is an arithmetic number, because the mean of its divisors is an integer number (45123160657).

Almost surely, 2^90246321313 is an apocalyptic number.

It is an amenable number.

90246321313 is a deficient number, since it is larger than the sum of its proper divisors (1).

90246321313 is an equidigital number, since it uses as much as digits as its factorization.

90246321313 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 34.

The spelling of 90246321313 in words is "ninety billion, two hundred forty-six million, three hundred twenty-one thousand, three hundred thirteen".