33641969 has 2 divisors, whose sum is σ = 33641970. Its totient is φ = 33641968.

The previous prime is 33641921. The next prime is 33642041. The reversal of 33641969 is 96914633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27164944 + 6477025 = 5212^2 + 2545^2 .

It is a cyclic number.

It is not a de Polignac number, because 33641969 - 2¹² = 33637873 is a prime.

It is a super-2 number, since 2×33641969² = 2263564156393922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33640969) 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, 16820984 + 16820985.

It is an arithmetic number, because the mean of its divisors is an integer number (16820985).

Almost surely, 2^33641969 is an apocalyptic number.

It is an amenable number.

33641969 is a deficient number, since it is larger than the sum of its proper divisors (1).

33641969 is an equidigital number, since it uses as much as digits as its factorization.

33641969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 41.

The square root of 33641969 is about 5800.1697388956. The cubic root of 33641969 is about 322.8200264530.

The spelling of 33641969 in words is "thirty-three million, six hundred forty-one thousand, nine hundred sixty-nine".