90367313489 has 2 divisors, whose sum is σ = 90367313490. Its totient is φ = 90367313488.

The previous prime is 90367313441. The next prime is 90367313501. The reversal of 90367313489 is 98431376309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74688517264 + 15678796225 = 273292^2 + 125215^2 .

It is a cyclic number.

It is not a de Polignac number, because 90367313489 - 2⁸ = 90367313233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90367313489.

It is not a weakly prime, because it can be changed into another prime (90367319489) 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, 45183656744 + 45183656745.

It is an arithmetic number, because the mean of its divisors is an integer number (45183656745).

Almost surely, 2^90367313489 is an apocalyptic number.

It is an amenable number.

90367313489 is a deficient number, since it is larger than the sum of its proper divisors (1).

90367313489 is an equidigital number, since it uses as much as digits as its factorization.

90367313489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 90367313489 in words is "ninety billion, three hundred sixty-seven million, three hundred thirteen thousand, four hundred eighty-nine".