5185408189 has 8 divisors (see below), whose sum is σ = 5585041280. Its totient is φ = 4785883056.

The previous prime is 5185408181. The next prime is 5185408271. The reversal of 5185408189 is 9818045815.

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

It is a cyclic number.

It is not a de Polignac number, because 5185408189 - 2³ = 5185408181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185408181) 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, 92344 + ... + 137470.

It is an arithmetic number, because the mean of its divisors is an integer number (698130160).

Almost surely, 2^5185408189 is an apocalyptic number.

It is an amenable number.

5185408189 is a deficient number, since it is larger than the sum of its proper divisors (399633091).

5185408189 is a wasteful number, since it uses less digits than its factorization.

5185408189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53979.

The product of its (nonzero) digits is 460800, while the sum is 49.

The square root of 5185408189 is about 72009.7784262665. The cubic root of 5185408189 is about 1730.8561800564.

The spelling of 5185408189 in words is "five billion, one hundred eighty-five million, four hundred eight thousand, one hundred eighty-nine".