5215842189 has 12 divisors (see below), whose sum is σ = 7637200636. Its totient is φ = 3429594432.

The previous prime is 5215842187. The next prime is 5215842211. The reversal of 5215842189 is 9812485125.

5215842189 is a `hidden beast` number, since 5 + 215 + 8 + 421 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1213128900 + 4002713289 = 34830^2 + 63267^2 .

It is not a de Polignac number, because 5215842189 - 2¹ = 5215842187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215842187) 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, 3968782 + ... + 3970095.

Almost surely, 2^5215842189 is an apocalyptic number.

It is an amenable number.

5215842189 is a deficient number, since it is larger than the sum of its proper divisors (2421358447).

5215842189 is a wasteful number, since it uses less digits than its factorization.

5215842189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938956 (or 7938953 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 5215842189 is about 72220.7877899431. The cubic root of 5215842189 is about 1734.2358018346.

The spelling of 5215842189 in words is "five billion, two hundred fifteen million, eight hundred forty-two thousand, one hundred eighty-nine".