344666422609 has 2 divisors, whose sum is σ = 344666422610. Its totient is φ = 344666422608.

The previous prime is 344666422601. The next prime is 344666422631. The reversal of 344666422609 is 906224666443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337822500625 + 6843921984 = 581225^2 + 82728^2 .

It is a cyclic number.

It is not a de Polignac number, because 344666422609 - 2³ = 344666422601 is a prime.

It is not a weakly prime, because it can be changed into another prime (344666422601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172333211304 + 172333211305.

It is an arithmetic number, because the mean of its divisors is an integer number (172333211305).

Almost surely, 2^344666422609 is an apocalyptic number.

It is an amenable number.

344666422609 is a deficient number, since it is larger than the sum of its proper divisors (1).

344666422609 is an equidigital number, since it uses as much as digits as its factorization.

344666422609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 52.

The spelling of 344666422609 in words is "three hundred forty-four billion, six hundred sixty-six million, four hundred twenty-two thousand, six hundred nine".