90295231633 has 16 divisors (see below), whose sum is σ = 93665257920. Its totient is φ = 86942649024.

The previous prime is 90295231573. The next prime is 90295231657. The reversal of 90295231633 is 33613259209.

It is a cyclic number.

It is not a de Polignac number, because 90295231633 - 2¹³ = 90295223441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90295231633.

It is not an unprimeable number, because it can be changed into a prime (90295231333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19961310 + ... + 19965832.

It is an arithmetic number, because the mean of its divisors is an integer number (5854078620).

Almost surely, 2^90295231633 is an apocalyptic number.

It is an amenable number.

90295231633 is a deficient number, since it is larger than the sum of its proper divisors (3370026287).

90295231633 is a wasteful number, since it uses less digits than its factorization.

90295231633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6288.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 90295231633 in words is "ninety billion, two hundred ninety-five million, two hundred thirty-one thousand, six hundred thirty-three".