5809090185 has 12 divisors (see below), whose sum is σ = 10069089732. Its totient is φ = 3098181408.

The previous prime is 5809090171. The next prime is 5809090249. The reversal of 5809090185 is 5810909085.

It can be written as a sum of positive squares in 2 ways, for example, as 1858213449 + 3950876736 = 43107^2 + 62856^2 .

It is not a de Polignac number, because 5809090185 - 2¹⁰ = 5809089161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 129090893 = 5809090185 / (5 + 8 + 0 + 9 + 0 + 9 + 0 + 1 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 5809090185.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 64545402 + ... + 64545491.

It is an arithmetic number, because the mean of its divisors is an integer number (839090811).

Almost surely, 2^5809090185 is an apocalyptic number.

It is an amenable number.

5809090185 is a deficient number, since it is larger than the sum of its proper divisors (4259999547).

5809090185 is a wasteful number, since it uses less digits than its factorization.

5809090185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129090904 (or 129090901 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 5809090185 is about 76217.3876815520. The cubic root of 5809090185 is about 1797.6399300950.

The spelling of 5809090185 in words is "five billion, eight hundred nine million, ninety thousand, one hundred eighty-five".