90094517473 has 4 divisors (see below), whose sum is σ = 90106831108. Its totient is φ = 90082203840.

The previous prime is 90094517453. The next prime is 90094517479. The reversal of 90094517473 is 37471549009.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24480670369 + 65613847104 = 156463^2 + 256152^2 .

It is a cyclic number.

It is not a de Polignac number, because 90094517473 - 2²¹ = 90092420321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90094517479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6145836 + ... + 6160477.

It is an arithmetic number, because the mean of its divisors is an integer number (22526707777).

Almost surely, 2^90094517473 is an apocalyptic number.

It is an amenable number.

90094517473 is a deficient number, since it is larger than the sum of its proper divisors (12313635).

90094517473 is a wasteful number, since it uses less digits than its factorization.

90094517473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12313634.

The product of its (nonzero) digits is 952560, while the sum is 49.

The spelling of 90094517473 in words is "ninety billion, ninety-four million, five hundred seventeen thousand, four hundred seventy-three".