344144261 has 2 divisors, whose sum is σ = 344144262. Its totient is φ = 344144260.

The previous prime is 344144197. The next prime is 344144279. The reversal of 344144261 is 162441443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237930625 + 106213636 = 15425^2 + 10306^2 .

It is a cyclic number.

It is not a de Polignac number, because 344144261 - 2⁶ = 344144197 is a prime.

It is a super-2 number, since 2×344144261² = 236870544758472242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344144291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172072130 + 172072131.

It is an arithmetic number, because the mean of its divisors is an integer number (172072131).

Almost surely, 2^344144261 is an apocalyptic number.

It is an amenable number.

344144261 is a deficient number, since it is larger than the sum of its proper divisors (1).

344144261 is an equidigital number, since it uses as much as digits as its factorization.

344144261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 344144261 is about 18551.1255992729. The cubic root of 344144261 is about 700.7775448438. Note that the first 3 decimals are identical.

The spelling of 344144261 in words is "three hundred forty-four million, one hundred forty-four thousand, two hundred sixty-one".