342694369 has 2 divisors, whose sum is σ = 342694370. Its totient is φ = 342694368.

The previous prime is 342694327. The next prime is 342694399. The reversal of 342694369 is 963496243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342694144 + 225 = 18512^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 342694369 - 2¹⁵ = 342661601 is a prime.

It is a super-2 number, since 2×342694369² = 234878861088616322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342694399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171347184 + 171347185.

It is an arithmetic number, because the mean of its divisors is an integer number (171347185).

Almost surely, 2^342694369 is an apocalyptic number.

It is an amenable number.

342694369 is a deficient number, since it is larger than the sum of its proper divisors (1).

342694369 is an equidigital number, since it uses as much as digits as its factorization.

342694369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 46.

The square root of 342694369 is about 18512.0060771382. The cubic root of 342694369 is about 699.7920259709.

The spelling of 342694369 in words is "three hundred forty-two million, six hundred ninety-four thousand, three hundred sixty-nine".