348914009 has 2 divisors, whose sum is σ = 348914010. Its totient is φ = 348914008.

The previous prime is 348914003. The next prime is 348914011. The reversal of 348914009 is 900419843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345774025 + 3139984 = 18595^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 348914009 - 2¹⁶ = 348848473 is a prime.

Together with 348914011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348914003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174457004 + 174457005.

It is an arithmetic number, because the mean of its divisors is an integer number (174457005).

Almost surely, 2^348914009 is an apocalyptic number.

It is an amenable number.

348914009 is a deficient number, since it is larger than the sum of its proper divisors (1).

348914009 is an equidigital number, since it uses as much as digits as its factorization.

348914009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 348914009 is about 18679.2400541350. The cubic root of 348914009 is about 704.0002320344. Note that the first 3 decimals are identical.

The spelling of 348914009 in words is "three hundred forty-eight million, nine hundred fourteen thousand, nine".