90495425212237 has 2 divisors, whose sum is σ = 90495425212238. Its totient is φ = 90495425212236.

The previous prime is 90495425212223. The next prime is 90495425212243. The reversal of 90495425212237 is 73221252459409.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79765011627876 + 10730413584361 = 8931126^2 + 3275731^2 .

It is a cyclic number.

It is not a de Polignac number, because 90495425212237 - 2¹⁵ = 90495425179469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90495425212337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45247712606118 + 45247712606119.

It is an arithmetic number, because the mean of its divisors is an integer number (45247712606119).

Almost surely, 2^{90495425212237} is an apocalyptic number.

It is an amenable number.

90495425212237 is a deficient number, since it is larger than the sum of its proper divisors (1).

90495425212237 is an equidigital number, since it uses as much as digits as its factorization.

90495425212237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 90495425212237 in words is "ninety trillion, four hundred ninety-five billion, four hundred twenty-five million, two hundred twelve thousand, two hundred thirty-seven".