5186887913 has 2 divisors, whose sum is σ = 5186887914. Its totient is φ = 5186887912.

The previous prime is 5186887897. The next prime is 5186887939. The reversal of 5186887913 is 3197886815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5127705664 + 59182249 = 71608^2 + 7693^2 .

It is a cyclic number.

It is not a de Polignac number, because 5186887913 - 2⁴ = 5186887897 is a prime.

It is not a weakly prime, because it can be changed into another prime (5186887613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593443956 + 2593443957.

It is an arithmetic number, because the mean of its divisors is an integer number (2593443957).

Almost surely, 2^5186887913 is an apocalyptic number.

It is an amenable number.

5186887913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5186887913 is an equidigital number, since it uses as much as digits as its factorization.

5186887913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 56.

The square root of 5186887913 is about 72020.0521591036. The cubic root of 5186887913 is about 1731.0208052092.

The spelling of 5186887913 in words is "five billion, one hundred eighty-six million, eight hundred eighty-seven thousand, nine hundred thirteen".