5185035389 has 2 divisors, whose sum is σ = 5185035390. Its totient is φ = 5185035388.

The previous prime is 5185035311. The next prime is 5185035487. The reversal of 5185035389 is 9835305815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2609472889 + 2575562500 = 51083^2 + 50750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5185035389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185035689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592517694 + 2592517695.

It is an arithmetic number, because the mean of its divisors is an integer number (2592517695).

Almost surely, 2^5185035389 is an apocalyptic number.

It is an amenable number.

5185035389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185035389 is an equidigital number, since it uses as much as digits as its factorization.

5185035389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 5185035389 is about 72007.1898424039. The cubic root of 5185035389 is about 1730.8146996416.

The spelling of 5185035389 in words is "five billion, one hundred eighty-five million, thirty-five thousand, three hundred eighty-nine".