344719643 has 2 divisors, whose sum is σ = 344719644. Its totient is φ = 344719642.

The previous prime is 344719637. The next prime is 344719649. The reversal of 344719643 is 346917443.

It is a balanced prime because it is at equal distance from previous prime (344719637) and next prime (344719649).

It is a cyclic number.

It is not a de Polignac number, because 344719643 - 2¹⁴ = 344703259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344719643.

It is not a weakly prime, because it can be changed into another prime (344719649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172359821 + 172359822.

It is an arithmetic number, because the mean of its divisors is an integer number (172359822).

Almost surely, 2^344719643 is an apocalyptic number.

344719643 is a deficient number, since it is larger than the sum of its proper divisors (1).

344719643 is an equidigital number, since it uses as much as digits as its factorization.

344719643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 344719643 is about 18566.6271304187. The cubic root of 344719643 is about 701.1678756101.

The spelling of 344719643 in words is "three hundred forty-four million, seven hundred nineteen thousand, six hundred forty-three".