90684559473 has 8 divisors (see below), whose sum is σ = 120955437408. Its totient is φ = 60435027264.

The previous prime is 90684559453. The next prime is 90684559477. The reversal of 90684559473 is 37495548609.

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

It is not a de Polignac number, because 90684559473 - 2⁶ = 90684559409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90684559477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5326515 + ... + 5343512.

It is an arithmetic number, because the mean of its divisors is an integer number (15119429676).

Almost surely, 2^90684559473 is an apocalyptic number.

It is an amenable number.

90684559473 is a deficient number, since it is larger than the sum of its proper divisors (30270877935).

90684559473 is a wasteful number, since it uses less digits than its factorization.

90684559473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672863.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 90684559473 in words is "ninety billion, six hundred eighty-four million, five hundred fifty-nine thousand, four hundred seventy-three".