2158480585 has 24 divisors (see below), whose sum is σ = 2718684360. Its totient is φ = 1643201280.

The previous prime is 2158480573. The next prime is 2158480601. The reversal of 2158480585 is 5850848512.

It can be written as a sum of positive squares in 4 ways, for example, as 503374096 + 1655106489 = 22436^2 + 40683^2 .

It is not a de Polignac number, because 2158480585 - 2¹⁵ = 2158447817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 729469 + ... + 732421.

It is an arithmetic number, because the mean of its divisors is an integer number (113278515).

Almost surely, 2^2158480585 is an apocalyptic number.

It is an amenable number.

2158480585 is a deficient number, since it is larger than the sum of its proper divisors (560203775).

2158480585 is an equidigital number, since it uses as much as digits as its factorization.

2158480585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 46.

The square root of 2158480585 is about 46459.4509760931. The cubic root of 2158480585 is about 1292.3576428856.

The spelling of 2158480585 in words is "two billion, one hundred fifty-eight million, four hundred eighty thousand, five hundred eighty-five".