33043232021 has 8 divisors (see below), whose sum is σ = 33110083584. Its totient is φ = 32976432720.

The previous prime is 33043231999. The next prime is 33043232081. The reversal of 33043232021 is 12023234033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33043232021 - 2¹⁴ = 33043215637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33043232081) 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 7 ways as a sum of consecutive naturals, for example, 1404860 + ... + 1428186.

It is an arithmetic number, because the mean of its divisors is an integer number (4138760448).

Almost surely, 2^33043232021 is an apocalyptic number.

It is an amenable number.

33043232021 is a deficient number, since it is larger than the sum of its proper divisors (66851563).

33043232021 is a wasteful number, since it uses less digits than its factorization.

33043232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26131.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33043232021 its reverse (12023234033), we get a palindrome (45066466054).

The spelling of 33043232021 in words is "thirty-three billion, forty-three million, two hundred thirty-two thousand, twenty-one".