346669313 has 2 divisors, whose sum is σ = 346669314. Its totient is φ = 346669312.

The previous prime is 346669291. The next prime is 346669327. The reversal of 346669313 is 313966643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303003649 + 43665664 = 17407^2 + 6608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346669313 is a prime.

It is a super-2 number, since 2×346669313² = 240359225151783938, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346665313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173334656 + 173334657.

It is an arithmetic number, because the mean of its divisors is an integer number (173334657).

Almost surely, 2^346669313 is an apocalyptic number.

It is an amenable number.

346669313 is a deficient number, since it is larger than the sum of its proper divisors (1).

346669313 is an equidigital number, since it uses as much as digits as its factorization.

346669313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 41.

The square root of 346669313 is about 18619.0577903394. The cubic root of 346669313 is about 702.4872828589.

The spelling of 346669313 in words is "three hundred forty-six million, six hundred sixty-nine thousand, three hundred thirteen".