90226175572529 has 2 divisors, whose sum is σ = 90226175572530. Its totient is φ = 90226175572528.

The previous prime is 90226175572513. The next prime is 90226175572543. The reversal of 90226175572529 is 92527557162209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89286152248225 + 940023324304 = 9449135^2 + 969548^2 .

It is a cyclic number.

It is not a de Polignac number, because 90226175572529 - 2⁴ = 90226175572513 is a prime.

It is not a weakly prime, because it can be changed into another prime (90226105572529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45113087786264 + 45113087786265.

It is an arithmetic number, because the mean of its divisors is an integer number (45113087786265).

Almost surely, 2^{90226175572529} is an apocalyptic number.

It is an amenable number.

90226175572529 is a deficient number, since it is larger than the sum of its proper divisors (1).

90226175572529 is an equidigital number, since it uses as much as digits as its factorization.

90226175572529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 90226175572529 in words is "ninety trillion, two hundred twenty-six billion, one hundred seventy-five million, five hundred seventy-two thousand, five hundred twenty-nine".