348968969 has 2 divisors, whose sum is σ = 348968970. Its totient is φ = 348968968.

The previous prime is 348968957. The next prime is 348969007. The reversal of 348968969 is 969869843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348942400 + 26569 = 18680^2 + 163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348968969 is a prime.

It is a super-2 number, since 2×348968969² = 243558682649845922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (348968929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174484484 + 174484485.

It is an arithmetic number, because the mean of its divisors is an integer number (174484485).

Almost surely, 2^348968969 is an apocalyptic number.

It is an amenable number.

348968969 is a deficient number, since it is larger than the sum of its proper divisors (1).

348968969 is an equidigital number, since it uses as much as digits as its factorization.

348968969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20155392, while the sum is 62.

The square root of 348968969 is about 18680.7111481335. The cubic root of 348968969 is about 704.0371941706.

The spelling of 348968969 in words is "three hundred forty-eight million, nine hundred sixty-eight thousand, nine hundred sixty-nine".