33768421033 has 4 divisors (see below), whose sum is σ = 34034314240. Its totient is φ = 33502527828.

The previous prime is 33768421013. The next prime is 33768421039. The reversal of 33768421033 is 33012486733.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33768421033 - 2³³ = 25178486441 is a prime.

It is a super-2 number, since 2×33768421033² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33768421039) 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 in 3 ways as a sum of consecutive naturals, for example, 132946413 + ... + 132946666.

It is an arithmetic number, because the mean of its divisors is an integer number (8508578560).

Almost surely, 2^33768421033 is an apocalyptic number.

It is an amenable number.

33768421033 is a deficient number, since it is larger than the sum of its proper divisors (265893207).

33768421033 is a wasteful number, since it uses less digits than its factorization.

33768421033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265893206.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 33768421033 in words is "thirty-three billion, seven hundred sixty-eight million, four hundred twenty-one thousand, thirty-three".