90422610697 has 2 divisors, whose sum is σ = 90422610698. Its totient is φ = 90422610696.

The previous prime is 90422610671. The next prime is 90422610721. The reversal of 90422610697 is 79601622409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87723184761 + 2699425936 = 296181^2 + 51956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90422610697 is a prime.

It is a super-2 number, since 2×90422610697² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90422610647) 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 as a sum of consecutive naturals, namely, 45211305348 + 45211305349.

It is an arithmetic number, because the mean of its divisors is an integer number (45211305349).

Almost surely, 2^90422610697 is an apocalyptic number.

It is an amenable number.

90422610697 is a deficient number, since it is larger than the sum of its proper divisors (1).

90422610697 is an equidigital number, since it uses as much as digits as its factorization.

90422610697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 90422610697 in words is "ninety billion, four hundred twenty-two million, six hundred ten thousand, six hundred ninety-seven".