90732249708231 has 16 divisors (see below), whose sum is σ = 126351880462080. Its totient is φ = 57805213836480.

The previous prime is 90732249708227. The next prime is 90732249708257. The reversal of 90732249708231 is 13280794223709.

It is not a de Polignac number, because 90732249708231 - 2² = 90732249708227 is a prime.

It is a super-2 number, since 2×90732249708231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90732249708281) 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, 602564566 + ... + 602715123.

It is an arithmetic number, because the mean of its divisors is an integer number (7896992528880).

Almost surely, 2^{90732249708231} is an apocalyptic number.

90732249708231 is a deficient number, since it is larger than the sum of its proper divisors (35619630753849).

90732249708231 is a wasteful number, since it uses less digits than its factorization.

90732249708231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205280806.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 90732249708231 in words is "ninety trillion, seven hundred thirty-two billion, two hundred forty-nine million, seven hundred eight thousand, two hundred thirty-one".