5172612389 has 16 divisors (see below), whose sum is σ = 6293903616. Its totient is φ = 4149792000.

The previous prime is 5172612359. The next prime is 5172612391. The reversal of 5172612389 is 9832162715.

It is a cyclic number.

It is not a de Polignac number, because 5172612389 - 2¹⁶ = 5172546853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5172612329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98537 + ... + 141614.

It is an arithmetic number, because the mean of its divisors is an integer number (393368976).

Almost surely, 2^5172612389 is an apocalyptic number.

It is an amenable number.

5172612389 is a deficient number, since it is larger than the sum of its proper divisors (1121291227).

5172612389 is a wasteful number, since it uses less digits than its factorization.

5172612389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240356.

The product of its digits is 181440, while the sum is 44.

The square root of 5172612389 is about 71920.8758914962. The cubic root of 5172612389 is about 1729.4312885572.

The spelling of 5172612389 in words is "five billion, one hundred seventy-two million, six hundred twelve thousand, three hundred eighty-nine".