90465299185 has 8 divisors (see below), whose sum is σ = 108565540200. Its totient is φ = 72367451904.

The previous prime is 90465299173. The next prime is 90465299227. The reversal of 90465299185 is 58199256409.

It can be written as a sum of positive squares in 4 ways, for example, as 16438316944 + 74026982241 = 128212^2 + 272079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90465299185 - 2²⁷ = 90331081457 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 514210 + ... + 667339.

It is an arithmetic number, because the mean of its divisors is an integer number (13570692525).

Almost surely, 2^90465299185 is an apocalyptic number.

It is an amenable number.

90465299185 is a deficient number, since it is larger than the sum of its proper divisors (18100241015).

90465299185 is a wasteful number, since it uses less digits than its factorization.

90465299185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196867.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 90465299185 in words is "ninety billion, four hundred sixty-five million, two hundred ninety-nine thousand, one hundred eighty-five".