90810322365 has 48 divisors (see below), whose sum is σ = 169894404288. Its totient is φ = 41298130944.

The previous prime is 90810322333. The next prime is 90810322381. The reversal of 90810322365 is 56322301809.

It is not a de Polignac number, because 90810322365 - 2⁵ = 90810322333 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 178227 + ... + 461936.

It is an arithmetic number, because the mean of its divisors is an integer number (3539466756).

Almost surely, 2^90810322365 is an apocalyptic number.

It is an amenable number.

90810322365 is a deficient number, since it is larger than the sum of its proper divisors (79084081923).

90810322365 is a wasteful number, since it uses less digits than its factorization.

90810322365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640378 (or 640371 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 90810322365 in words is "ninety billion, eight hundred ten million, three hundred twenty-two thousand, three hundred sixty-five".