1344403424209 has 2 divisors, whose sum is σ = 1344403424210. Its totient is φ = 1344403424208.

The previous prime is 1344403424167. The next prime is 1344403424267. The reversal of 1344403424209 is 9024243044431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922646697025 + 421756727184 = 960545^2 + 649428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344403424209 - 2²³ = 1344395035601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344403454209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672201712104 + 672201712105.

It is an arithmetic number, because the mean of its divisors is an integer number (672201712105).

Almost surely, 2^{1344403424209} is an apocalyptic number.

It is an amenable number.

1344403424209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344403424209 is an equidigital number, since it uses as much as digits as its factorization.

1344403424209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 1344403424209 in words is "one trillion, three hundred forty-four billion, four hundred three million, four hundred twenty-four thousand, two hundred nine".