344724379669 has 2 divisors, whose sum is σ = 344724379670. Its totient is φ = 344724379668.

The previous prime is 344724379627. The next prime is 344724379759. The reversal of 344724379669 is 966973427443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 334696960900 + 10027418769 = 578530^2 + 100137^2 .

It is an emirp because it is prime and its reverse (966973427443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344724379669 - 2⁷ = 344724379541 is a prime.

It is a super-2 number, since 2×344724379669² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344724379669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344724379469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172362189834 + 172362189835.

It is an arithmetic number, because the mean of its divisors is an integer number (172362189835).

Almost surely, 2^344724379669 is an apocalyptic number.

It is an amenable number.

344724379669 is a deficient number, since it is larger than the sum of its proper divisors (1).

344724379669 is an equidigital number, since it uses as much as digits as its factorization.

344724379669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164602368, while the sum is 64.

The spelling of 344724379669 in words is "three hundred forty-four billion, seven hundred twenty-four million, three hundred seventy-nine thousand, six hundred sixty-nine".