169345349 has 2 divisors, whose sum is σ = 169345350. Its totient is φ = 169345348.

The previous prime is 169345339. The next prime is 169345361. The reversal of 169345349 is 943543961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103897249 + 65448100 = 10193^2 + 8090^2 .

It is a cyclic number.

It is not a de Polignac number, because 169345349 - 2⁸ = 169345093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169345339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84672674 + 84672675.

It is an arithmetic number, because the mean of its divisors is an integer number (84672675).

Almost surely, 2^169345349 is an apocalyptic number.

It is an amenable number.

169345349 is a deficient number, since it is larger than the sum of its proper divisors (1).

169345349 is an equidigital number, since it uses as much as digits as its factorization.

169345349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 169345349 is about 13013.2758750439. The cubic root of 169345349 is about 553.2538241187.

The spelling of 169345349 in words is "one hundred sixty-nine million, three hundred forty-five thousand, three hundred forty-nine".