200344169 has 2 divisors, whose sum is σ = 200344170. Its totient is φ = 200344168.

The previous prime is 200344153. The next prime is 200344171. The reversal of 200344169 is 961443002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138956944 + 61387225 = 11788^2 + 7835^2 .

It is a cyclic number.

It is not a de Polignac number, because 200344169 - 2⁴ = 200344153 is a prime.

It is a super-2 number, since 2×200344169² = 80275572104601122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 200344171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (200344129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100172084 + 100172085.

It is an arithmetic number, because the mean of its divisors is an integer number (100172085).

Almost surely, 2^200344169 is an apocalyptic number.

It is an amenable number.

200344169 is a deficient number, since it is larger than the sum of its proper divisors (1).

200344169 is an equidigital number, since it uses as much as digits as its factorization.

200344169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 200344169 is about 14154.2986050175. The cubic root of 200344169 is about 585.1388074930.

The spelling of 200344169 in words is "two hundred million, three hundred forty-four thousand, one hundred sixty-nine".