13442440200209 has 2 divisors, whose sum is σ = 13442440200210. Its totient is φ = 13442440200208.

The previous prime is 13442440200127. The next prime is 13442440200263. The reversal of 13442440200209 is 90200204424431.

It is a happy number.

13442440200209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11706114816400 + 1736325383809 = 3421420^2 + 1317697^2 .

It is a cyclic number.

It is not a de Polignac number, because 13442440200209 - 2²⁴ = 13442423422993 is a prime.

It is not a weakly prime, because it can be changed into another prime (13442440202209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721220100104 + 6721220100105.

It is an arithmetic number, because the mean of its divisors is an integer number (6721220100105).

Almost surely, 2^{13442440200209} is an apocalyptic number.

It is an amenable number.

13442440200209 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442440200209 is an equidigital number, since it uses as much as digits as its factorization.

13442440200209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 13442440200209 in words is "thirteen trillion, four hundred forty-two billion, four hundred forty million, two hundred thousand, two hundred nine".