5268531913 has 2 divisors, whose sum is σ = 5268531914. Its totient is φ = 5268531912.

The previous prime is 5268531911. The next prime is 5268531941. The reversal of 5268531913 is 3191358625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4341755664 + 926776249 = 65892^2 + 30443^2 .

It is a cyclic number.

It is not a de Polignac number, because 5268531913 - 2¹ = 5268531911 is a prime.

Together with 5268531911, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5268531913.

It is not a weakly prime, because it can be changed into another prime (5268531911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634265956 + 2634265957.

It is an arithmetic number, because the mean of its divisors is an integer number (2634265957).

Almost surely, 2^5268531913 is an apocalyptic number.

It is an amenable number.

5268531913 is a deficient number, since it is larger than the sum of its proper divisors (1).

5268531913 is an equidigital number, since it uses as much as digits as its factorization.

5268531913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 5268531913 is about 72584.6534261892. The cubic root of 5268531913 is about 1740.0559185138.

The spelling of 5268531913 in words is "five billion, two hundred sixty-eight million, five hundred thirty-one thousand, nine hundred thirteen".