90950113759 has 2 divisors, whose sum is σ = 90950113760. Its totient is φ = 90950113758.

The previous prime is 90950113703. The next prime is 90950113763. The reversal of 90950113759 is 95731105909.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90950113759 - 2²³ = 90941725151 is a prime.

It is a super-2 number, since 2×90950113759² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90950113769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45475056879 + 45475056880.

It is an arithmetic number, because the mean of its divisors is an integer number (45475056880).

Almost surely, 2^90950113759 is an apocalyptic number.

90950113759 is a deficient number, since it is larger than the sum of its proper divisors (1).

90950113759 is an equidigital number, since it uses as much as digits as its factorization.

90950113759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 382725, while the sum is 49.

The spelling of 90950113759 in words is "ninety billion, nine hundred fifty million, one hundred thirteen thousand, seven hundred fifty-nine".