33304412021 has 8 divisors (see below), whose sum is σ = 33511393344. Its totient is φ = 33097999680.

The previous prime is 33304411993. The next prime is 33304412023. The reversal of 33304412021 is 12021440333.

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 33304412021 - 2⁶ = 33304411957 is a prime.

It is a super-2 number, since 2×33304412021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33304412023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24515 + ... + 259248.

It is an arithmetic number, because the mean of its divisors is an integer number (4188924168).

Almost surely, 2^33304412021 is an apocalyptic number.

It is an amenable number.

33304412021 is a deficient number, since it is larger than the sum of its proper divisors (206981323).

33304412021 is a wasteful number, since it uses less digits than its factorization.

33304412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284491.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 33304412021 its reverse (12021440333), we get a palindrome (45325852354).

The spelling of 33304412021 in words is "thirty-three billion, three hundred four million, four hundred twelve thousand, twenty-one".