90126957373 has 2 divisors, whose sum is σ = 90126957374. Its totient is φ = 90126957372.

The previous prime is 90126957353. The next prime is 90126957377. The reversal of 90126957373 is 37375962109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81728517924 + 8398439449 = 285882^2 + 91643^2 .

It is a cyclic number.

It is not a de Polignac number, because 90126957373 - 2²⁹ = 89590086461 is a prime.

It is a super-2 number, since 2×90126957373² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90126957373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90126957377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45063478686 + 45063478687.

It is an arithmetic number, because the mean of its divisors is an integer number (45063478687).

Almost surely, 2^90126957373 is an apocalyptic number.

It is an amenable number.

90126957373 is a deficient number, since it is larger than the sum of its proper divisors (1).

90126957373 is an equidigital number, since it uses as much as digits as its factorization.

90126957373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 90126957373 in words is "ninety billion, one hundred twenty-six million, nine hundred fifty-seven thousand, three hundred seventy-three".