33033030993 has 12 divisors (see below), whose sum is σ = 47961605380. Its totient is φ = 21907915776.

The previous prime is 33033030949. The next prime is 33033031019. The reversal of 33033030993 is 39903033033.

It can be written as a sum of positive squares in 2 ways, for example, as 18147322944 + 14885708049 = 134712^2 + 122007^2 .

It is not a de Polignac number, because 33033030993 - 2¹⁰ = 33033029969 is a prime.

It is a super-2 number, since 2×33033030993² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33033030893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9506908 + ... + 9510381.

Almost surely, 2^33033030993 is an apocalyptic number.

It is an amenable number.

33033030993 is a deficient number, since it is larger than the sum of its proper divisors (14928574387).

33033030993 is a wasteful number, since it uses less digits than its factorization.

33033030993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19017488 (or 19017485 counting only the distinct ones).

The product of its (nonzero) digits is 59049, while the sum is 36.

The spelling of 33033030993 in words is "thirty-three billion, thirty-three million, thirty thousand, nine hundred ninety-three".