344868413 has 2 divisors, whose sum is σ = 344868414. Its totient is φ = 344868412.

The previous prime is 344868361. The next prime is 344868431. The reversal of 344868413 is 314868443.

Together with next prime (344868431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329712964 + 15155449 = 18158^2 + 3893^2 .

It is a cyclic number.

It is not a de Polignac number, because 344868413 - 2¹⁶ = 344802877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344868473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172434206 + 172434207.

It is an arithmetic number, because the mean of its divisors is an integer number (172434207).

Almost surely, 2^344868413 is an apocalyptic number.

It is an amenable number.

344868413 is a deficient number, since it is larger than the sum of its proper divisors (1).

344868413 is an equidigital number, since it uses as much as digits as its factorization.

344868413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 41.

The square root of 344868413 is about 18570.6330802157. The cubic root of 344868413 is about 701.2687283316.

The spelling of 344868413 in words is "three hundred forty-four million, eight hundred sixty-eight thousand, four hundred thirteen".