90533136959 has 2 divisors, whose sum is σ = 90533136960. Its totient is φ = 90533136958.

The previous prime is 90533136949. The next prime is 90533136971. The reversal of 90533136959 is 95963133509.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90533136959 - 2¹⁶ = 90533071423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90533136959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90533136949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45266568479 + 45266568480.

It is an arithmetic number, because the mean of its divisors is an integer number (45266568480).

Almost surely, 2^90533136959 is an apocalyptic number.

90533136959 is a deficient number, since it is larger than the sum of its proper divisors (1).

90533136959 is an equidigital number, since it uses as much as digits as its factorization.

90533136959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2952450, while the sum is 53.

The spelling of 90533136959 in words is "ninety billion, five hundred thirty-three million, one hundred thirty-six thousand, nine hundred fifty-nine".