5105860909 has 2 divisors, whose sum is σ = 5105860910. Its totient is φ = 5105860908.

The previous prime is 5105860867. The next prime is 5105860943. The reversal of 5105860909 is 9090685015.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4791685284 + 314175625 = 69222^2 + 17725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5105860909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5105864909) 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, 2552930454 + 2552930455.

It is an arithmetic number, because the mean of its divisors is an integer number (2552930455).

Almost surely, 2^5105860909 is an apocalyptic number.

It is an amenable number.

5105860909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105860909 is an equidigital number, since it uses as much as digits as its factorization.

5105860909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 5105860909 is about 71455.3070737227. The cubic root of 5105860909 is about 1721.9597399582.

The spelling of 5105860909 in words is "five billion, one hundred five million, eight hundred sixty thousand, nine hundred nine".