90592196021 has 2 divisors, whose sum is σ = 90592196022. Its totient is φ = 90592196020.

The previous prime is 90592195933. The next prime is 90592196063. The reversal of 90592196021 is 12069129509.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86336068900 + 4256127121 = 293830^2 + 65239^2 .

It is an emirp because it is prime and its reverse (12069129509) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90592196021 - 2¹⁸ = 90591933877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90592196921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45296098010 + 45296098011.

It is an arithmetic number, because the mean of its divisors is an integer number (45296098011).

Almost surely, 2^90592196021 is an apocalyptic number.

It is an amenable number.

90592196021 is a deficient number, since it is larger than the sum of its proper divisors (1).

90592196021 is an equidigital number, since it uses as much as digits as its factorization.

90592196021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 90592196021 in words is "ninety billion, five hundred ninety-two million, one hundred ninety-six thousand, twenty-one".