33990089233 has 2 divisors, whose sum is σ = 33990089234. Its totient is φ = 33990089232.

The previous prime is 33990089219. The next prime is 33990089251. The reversal of 33990089233 is 33298009933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20565854464 + 13424234769 = 143408^2 + 115863^2 .

It is an emirp because it is prime and its reverse (33298009933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33990089233 - 2¹⁷ = 33989958161 is a prime.

It is not a weakly prime, because it can be changed into another prime (33990089633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16995044616 + 16995044617.

It is an arithmetic number, because the mean of its divisors is an integer number (16995044617).

Almost surely, 2^33990089233 is an apocalyptic number.

It is an amenable number.

33990089233 is a deficient number, since it is larger than the sum of its proper divisors (1).

33990089233 is an equidigital number, since it uses as much as digits as its factorization.

33990089233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 49.

The spelling of 33990089233 in words is "thirty-three billion, nine hundred ninety million, eighty-nine thousand, two hundred thirty-three".