3136821825913 has 2 divisors, whose sum is σ = 3136821825914. Its totient is φ = 3136821825912.

The previous prime is 3136821825859. The next prime is 3136821825979. The reversal of 3136821825913 is 3195281286313.

3136821825913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2837078715769 + 299743110144 = 1684363^2 + 547488^2 .

It is a cyclic number.

It is not a de Polignac number, because 3136821825913 - 2¹³ = 3136821817721 is a prime.

It is not a weakly prime, because it can be changed into another prime (3136821825983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1568410912956 + 1568410912957.

It is an arithmetic number, because the mean of its divisors is an integer number (1568410912957).

Almost surely, 2^{3136821825913} is an apocalyptic number.

It is an amenable number.

3136821825913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3136821825913 is an equidigital number, since it uses as much as digits as its factorization.

3136821825913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 52.

The spelling of 3136821825913 in words is "three trillion, one hundred thirty-six billion, eight hundred twenty-one million, eight hundred twenty-five thousand, nine hundred thirteen".