344670591409 has 2 divisors, whose sum is σ = 344670591410. Its totient is φ = 344670591408.

The previous prime is 344670591383. The next prime is 344670591521. The reversal of 344670591409 is 904195076443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175202519184 + 169468072225 = 418572^2 + 411665^2 .

It is a cyclic number.

It is not a de Polignac number, because 344670591409 - 2⁷ = 344670591281 is a prime.

It is not a weakly prime, because it can be changed into another prime (344670291409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172335295704 + 172335295705.

It is an arithmetic number, because the mean of its divisors is an integer number (172335295705).

Almost surely, 2^344670591409 is an apocalyptic number.

It is an amenable number.

344670591409 is a deficient number, since it is larger than the sum of its proper divisors (1).

344670591409 is an equidigital number, since it uses as much as digits as its factorization.

344670591409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 344670591409 in words is "three hundred forty-four billion, six hundred seventy million, five hundred ninety-one thousand, four hundred nine".