5268385813 has 2 divisors, whose sum is σ = 5268385814. Its totient is φ = 5268385812.

The previous prime is 5268385763. The next prime is 5268385849. The reversal of 5268385813 is 3185838625.

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., 4957145649 + 311240164 = 70407^2 + 17642^2 .

It is a cyclic number.

It is not a de Polignac number, because 5268385813 - 2⁹ = 5268385301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5268385513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634192906 + 2634192907.

It is an arithmetic number, because the mean of its divisors is an integer number (2634192907).

Almost surely, 2^5268385813 is an apocalyptic number.

It is an amenable number.

5268385813 is a deficient number, since it is larger than the sum of its proper divisors (1).

5268385813 is an equidigital number, since it uses as much as digits as its factorization.

5268385813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 49.

The square root of 5268385813 is about 72583.6470081244. The cubic root of 5268385813 is about 1740.0398340509.

The spelling of 5268385813 in words is "five billion, two hundred sixty-eight million, three hundred eighty-five thousand, eight hundred thirteen".