33042372289 has 2 divisors, whose sum is σ = 33042372290. Its totient is φ = 33042372288.

The previous prime is 33042372277. The next prime is 33042372317. The reversal of 33042372289 is 98227324033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29441412225 + 3600960064 = 171585^2 + 60008^2 .

It is a cyclic number.

It is not a de Polignac number, because 33042372289 - 2⁹ = 33042371777 is a prime.

It is not a weakly prime, because it can be changed into another prime (33042370289) 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, 16521186144 + 16521186145.

It is an arithmetic number, because the mean of its divisors is an integer number (16521186145).

Almost surely, 2^33042372289 is an apocalyptic number.

It is an amenable number.

33042372289 is a deficient number, since it is larger than the sum of its proper divisors (1).

33042372289 is an equidigital number, since it uses as much as digits as its factorization.

33042372289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 33042372289 in words is "thirty-three billion, forty-two million, three hundred seventy-two thousand, two hundred eighty-nine".