33069409 has 2 divisors, whose sum is σ = 33069410. Its totient is φ = 33069408.

The previous prime is 33069373. The next prime is 33069427. The reversal of 33069409 is 90496033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23736384 + 9333025 = 4872^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 33069409 - 2²¹ = 30972257 is a prime.

It is not a weakly prime, because it can be changed into another prime (33069499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16534704 + 16534705.

It is an arithmetic number, because the mean of its divisors is an integer number (16534705).

Almost surely, 2^33069409 is an apocalyptic number.

It is an amenable number.

33069409 is a deficient number, since it is larger than the sum of its proper divisors (1).

33069409 is an equidigital number, since it uses as much as digits as its factorization.

33069409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 33069409 is about 5750.6007512259. The cubic root of 33069409 is about 320.9781560754.

The spelling of 33069409 in words is "thirty-three million, sixty-nine thousand, four hundred nine".