344889269 has 2 divisors, whose sum is σ = 344889270. Its totient is φ = 344889268.

The previous prime is 344889241. The next prime is 344889271. The reversal of 344889269 is 962988443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344102500 + 786769 = 18550^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 344889269 - 2¹² = 344885173 is a prime.

It is a super-2 number, since 2×344889269² = 237897215742708722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 344889271, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344889269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344889239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172444634 + 172444635.

It is an arithmetic number, because the mean of its divisors is an integer number (172444635).

Almost surely, 2^344889269 is an apocalyptic number.

It is an amenable number.

344889269 is a deficient number, since it is larger than the sum of its proper divisors (1).

344889269 is an equidigital number, since it uses as much as digits as its factorization.

344889269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 53.

The square root of 344889269 is about 18571.1946034713. The cubic root of 344889269 is about 701.2828645115.

The spelling of 344889269 in words is "three hundred forty-four million, eight hundred eighty-nine thousand, two hundred sixty-nine".