33349109 has 2 divisors, whose sum is σ = 33349110. Its totient is φ = 33349108.

The previous prime is 33349093. The next prime is 33349111. The reversal of 33349109 is 90194333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31114084 + 2235025 = 5578^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 33349109 - 2⁴ = 33349093 is a prime.

It is a super-2 number, since 2×33349109² = 2224326142187762, which contains 22 as substring.

Together with 33349111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33349409) 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, 16674554 + 16674555.

It is an arithmetic number, because the mean of its divisors is an integer number (16674555).

Almost surely, 2^33349109 is an apocalyptic number.

It is an amenable number.

33349109 is a deficient number, since it is larger than the sum of its proper divisors (1).

33349109 is an equidigital number, since it uses as much as digits as its factorization.

33349109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 33349109 is about 5774.8687430971. The cubic root of 33349109 is about 321.8805576569.

The spelling of 33349109 in words is "thirty-three million, three hundred forty-nine thousand, one hundred nine".