342309169 has 2 divisors, whose sum is σ = 342309170. Its totient is φ = 342309168.

The previous prime is 342309167. The next prime is 342309199. The reversal of 342309169 is 961903243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339112225 + 3196944 = 18415^2 + 1788^2 .

It is a cyclic number.

It is not a de Polignac number, because 342309169 - 2¹ = 342309167 is a prime.

It is a super-2 number, since 2×342309169² = 234351134362941122, which contains 22 as substring.

Together with 342309167, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (342309167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171154584 + 171154585.

It is an arithmetic number, because the mean of its divisors is an integer number (171154585).

Almost surely, 2^342309169 is an apocalyptic number.

It is an amenable number.

342309169 is a deficient number, since it is larger than the sum of its proper divisors (1).

342309169 is an equidigital number, since it uses as much as digits as its factorization.

342309169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 342309169 is about 18501.5990930514. The cubic root of 342309169 is about 699.5297310769.

The spelling of 342309169 in words is "three hundred forty-two million, three hundred nine thousand, one hundred sixty-nine".