344464643 has 2 divisors, whose sum is σ = 344464644. Its totient is φ = 344464642.

The previous prime is 344464633. The next prime is 344464667. The reversal of 344464643 is 346464443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344464643 - 2⁶ = 344464579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344464597 and 344464606.

It is not a weakly prime, because it can be changed into another prime (344464613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172232321 + 172232322.

It is an arithmetic number, because the mean of its divisors is an integer number (172232322).

Almost surely, 2^344464643 is an apocalyptic number.

344464643 is a deficient number, since it is larger than the sum of its proper divisors (1).

344464643 is an equidigital number, since it uses as much as digits as its factorization.

344464643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 38.

The square root of 344464643 is about 18559.7586999400. The cubic root of 344464643 is about 700.9949409587.

The spelling of 344464643 in words is "three hundred forty-four million, four hundred sixty-four thousand, six hundred forty-three".