90626082089 has 2 divisors, whose sum is σ = 90626082090. Its totient is φ = 90626082088.

The previous prime is 90626082083. The next prime is 90626082109. The reversal of 90626082089 is 98028062609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78963810025 + 11662272064 = 281005^2 + 107992^2 .

It is a cyclic number.

It is not a de Polignac number, because 90626082089 - 2⁴ = 90626082073 is a prime.

It is a super-3 number, since 3×90626082089³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (90626082083) 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, 45313041044 + 45313041045.

It is an arithmetic number, because the mean of its divisors is an integer number (45313041045).

Almost surely, 2^90626082089 is an apocalyptic number.

It is an amenable number.

90626082089 is a deficient number, since it is larger than the sum of its proper divisors (1).

90626082089 is an equidigital number, since it uses as much as digits as its factorization.

90626082089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 90626082089 in words is "ninety billion, six hundred twenty-six million, eighty-two thousand, eighty-nine".