2147089185 has 12 divisors (see below), whose sum is σ = 3721621332. Its totient is φ = 1145114208.

The previous prime is 2147089183. The next prime is 2147089193. The reversal of 2147089185 is 5819807412.

2147089185 is a `hidden beast` number, since 21 + 470 + 89 + 1 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 481714704 + 1665374481 = 21948^2 + 40809^2 .

It is not a de Polignac number, because 2147089185 - 2¹ = 2147089183 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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: 47713093 = 2147089185 / (2 + 1 + 4 + 7 + 0 + 8 + 9 + 1 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2147089185.

It is not an unprimeable number, because it can be changed into a prime (2147089181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23856502 + ... + 23856591.

It is an arithmetic number, because the mean of its divisors is an integer number (310135111).

Almost surely, 2^2147089185 is an apocalyptic number.

It is an amenable number.

2147089185 is a deficient number, since it is larger than the sum of its proper divisors (1574532147).

2147089185 is a wasteful number, since it uses less digits than its factorization.

2147089185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713104 (or 47713101 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 2147089185 is about 46336.6937210673. The cubic root of 2147089185 is about 1290.0801554664.

The spelling of 2147089185 in words is "two billion, one hundred forty-seven million, eighty-nine thousand, one hundred eighty-five".