33034780791 has 12 divisors (see below), whose sum is σ = 49791553968. Its totient is φ = 21065657184.

The previous prime is 33034780777. The next prime is 33034780829. The reversal of 33034780791 is 19708743033.

It is a de Polignac number, because none of the positive numbers 2^k-33034780791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33034780721) 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, 79793950 + ... + 79794363.

It is an arithmetic number, because the mean of its divisors is an integer number (4149296164).

Almost surely, 2^33034780791 is an apocalyptic number.

33034780791 is a deficient number, since it is larger than the sum of its proper divisors (16756773177).

33034780791 is a wasteful number, since it uses less digits than its factorization.

33034780791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159588342 (or 159588339 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 33034780791 in words is "thirty-three billion, thirty-four million, seven hundred eighty thousand, seven hundred ninety-one".