5185232989 has 2 divisors, whose sum is σ = 5185232990. Its totient is φ = 5185232988.

The previous prime is 5185232939. The next prime is 5185233023. The reversal of 5185232989 is 9892325815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4189325625 + 995907364 = 64725^2 + 31558^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185232989 - 2⁹ = 5185232477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185232939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592616494 + 2592616495.

It is an arithmetic number, because the mean of its divisors is an integer number (2592616495).

Almost surely, 2^5185232989 is an apocalyptic number.

It is an amenable number.

5185232989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185232989 is an equidigital number, since it uses as much as digits as its factorization.

5185232989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 52.

The square root of 5185232989 is about 72008.5619145390. The cubic root of 5185232989 is about 1730.8366862894.

The spelling of 5185232989 in words is "five billion, one hundred eighty-five million, two hundred thirty-two thousand, nine hundred eighty-nine".