334985009 has 2 divisors, whose sum is σ = 334985010. Its totient is φ = 334985008.

The previous prime is 334984987. The next prime is 334985011. The reversal of 334985009 is 900589433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298321984 + 36663025 = 17272^2 + 6055^2 .

It is a cyclic number.

It is not a de Polignac number, because 334985009 - 2⁸ = 334984753 is a prime.

It is a super-2 number, since 2×334985009² = 224429912509460162, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 334985011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (334985509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167492504 + 167492505.

It is an arithmetic number, because the mean of its divisors is an integer number (167492505).

Almost surely, 2^334985009 is an apocalyptic number.

It is an amenable number.

334985009 is a deficient number, since it is larger than the sum of its proper divisors (1).

334985009 is an equidigital number, since it uses as much as digits as its factorization.

334985009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 334985009 is about 18302.5956902293. The cubic root of 334985009 is about 694.5045959734.

The spelling of 334985009 in words is "three hundred thirty-four million, nine hundred eighty-five thousand, nine".