33669109 has 2 divisors, whose sum is σ = 33669110. Its totient is φ = 33669108.

The previous prime is 33669107. The next prime is 33669137. The reversal of 33669109 is 90196633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32524209 + 1144900 = 5703^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 33669109 - 2¹ = 33669107 is a prime.

It is a super-2 number, since 2×33669109² = 2267217801707762, which contains 22 as substring.

Together with 33669107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33669101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16834554 + 16834555.

It is an arithmetic number, because the mean of its divisors is an integer number (16834555).

Almost surely, 2^33669109 is an apocalyptic number.

It is an amenable number.

33669109 is a deficient number, since it is larger than the sum of its proper divisors (1).

33669109 is an equidigital number, since it uses as much as digits as its factorization.

33669109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 33669109 is about 5802.5088539355. The cubic root of 33669109 is about 322.9068126987.

The spelling of 33669109 in words is "thirty-three million, six hundred sixty-nine thousand, one hundred nine".