90321292465 has 32 divisors (see below), whose sum is σ = 116147687040. Its totient is φ = 67230259200.

The previous prime is 90321292381. The next prime is 90321292471. The reversal of 90321292465 is 56429212309.

It is not a de Polignac number, because 90321292465 - 2⁷ = 90321292337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1169755 + ... + 1244575.

It is an arithmetic number, because the mean of its divisors is an integer number (3629615220).

Almost surely, 2^90321292465 is an apocalyptic number.

90321292465 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90321292465 is a deficient number, since it is larger than the sum of its proper divisors (25826394575).

90321292465 is a wasteful number, since it uses less digits than its factorization.

90321292465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75073.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 90321292465 in words is "ninety billion, three hundred twenty-one million, two hundred ninety-two thousand, four hundred sixty-five".