90239954976263 has 2 divisors, whose sum is σ = 90239954976264. Its totient is φ = 90239954976262.

The previous prime is 90239954976253. The next prime is 90239954976289. The reversal of 90239954976263 is 36267945993209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90239954976263 - 2⁸ = 90239954976007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90239954976233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45119977488131 + 45119977488132.

It is an arithmetic number, because the mean of its divisors is an integer number (45119977488132).

Almost surely, 2^{90239954976263} is an apocalyptic number.

90239954976263 is a deficient number, since it is larger than the sum of its proper divisors (1).

90239954976263 is an equidigital number, since it uses as much as digits as its factorization.

90239954976263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190427840, while the sum is 74.

The spelling of 90239954976263 in words is "ninety trillion, two hundred thirty-nine billion, nine hundred fifty-four million, nine hundred seventy-six thousand, two hundred sixty-three".