13325335813 has 2 divisors, whose sum is σ = 13325335814. Its totient is φ = 13325335812.

The previous prime is 13325335781. The next prime is 13325335861. The reversal of 13325335813 is 31853352331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9454256289 + 3871079524 = 97233^2 + 62218^2 .

It is a cyclic number.

It is not a de Polignac number, because 13325335813 - 2⁵ = 13325335781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13325335013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6662667906 + 6662667907.

It is an arithmetic number, because the mean of its divisors is an integer number (6662667907).

Almost surely, 2^13325335813 is an apocalyptic number.

It is an amenable number.

13325335813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13325335813 is an equidigital number, since it uses as much as digits as its factorization.

13325335813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The spelling of 13325335813 in words is "thirteen billion, three hundred twenty-five million, three hundred thirty-five thousand, eight hundred thirteen".