344108993 has 2 divisors, whose sum is σ = 344108994. Its totient is φ = 344108992.

The previous prime is 344108987. The next prime is 344109071. The reversal of 344108993 is 399801443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323388289 + 20720704 = 17983^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 344108993 - 2⁶ = 344108929 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344108993.

It is not a weakly prime, because it can be changed into another prime (344108923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172054496 + 172054497.

It is an arithmetic number, because the mean of its divisors is an integer number (172054497).

Almost surely, 2^344108993 is an apocalyptic number.

It is an amenable number.

344108993 is a deficient number, since it is larger than the sum of its proper divisors (1).

344108993 is an equidigital number, since it uses as much as digits as its factorization.

344108993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 344108993 is about 18550.1750126515. The cubic root of 344108993 is about 700.7536053998.

The spelling of 344108993 in words is "three hundred forty-four million, one hundred eight thousand, nine hundred ninety-three".