344548323845413 has 2 divisors, whose sum is σ = 344548323845414. Its totient is φ = 344548323845412.

The previous prime is 344548323845393. The next prime is 344548323845417. The reversal of 344548323845413 is 314548323845443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323767553705764 + 20780770139649 = 17993542^2 + 4558593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344548323845413 is a prime.

It is a super-2 number, since 2×344548323845413² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344548323845417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172274161922706 + 172274161922707.

It is an arithmetic number, because the mean of its divisors is an integer number (172274161922707).

Almost surely, 2^{344548323845413} is an apocalyptic number.

It is an amenable number.

344548323845413 is a deficient number, since it is larger than the sum of its proper divisors (1).

344548323845413 is an equidigital number, since it uses as much as digits as its factorization.

344548323845413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 265420800, while the sum is 61.

The spelling of 344548323845413 in words is "three hundred forty-four trillion, five hundred forty-eight billion, three hundred twenty-three million, eight hundred forty-five thousand, four hundred thirteen".