90801631713 has 48 divisors (see below), whose sum is σ = 138609051840. Its totient is φ = 52541841792.

The previous prime is 90801631639. The next prime is 90801631727. The reversal of 90801631713 is 31713610809.

It is not a de Polignac number, because 90801631713 - 2⁸ = 90801631457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (90801631763) 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 in 47 ways as a sum of consecutive naturals, for example, 1179931 + ... + 1254527.

It is an arithmetic number, because the mean of its divisors is an integer number (2887688580).

Almost surely, 2^90801631713 is an apocalyptic number.

It is an amenable number.

90801631713 is a deficient number, since it is larger than the sum of its proper divisors (47807420127).

90801631713 is a wasteful number, since it uses less digits than its factorization.

90801631713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74718 (or 74695 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 90801631713 in words is "ninety billion, eight hundred one million, six hundred thirty-one thousand, seven hundred thirteen".