33204324421 has 2 divisors, whose sum is σ = 33204324422. Its totient is φ = 33204324420.

The previous prime is 33204324317. The next prime is 33204324443. The reversal of 33204324421 is 12442340233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27527455396 + 5676869025 = 165914^2 + 75345^2 .

It is a cyclic number.

It is not a de Polignac number, because 33204324421 - 2¹¹ = 33204322373 is a prime.

It is a super-2 number, since 2×33204324421² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33204324421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33204324481) 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 as a sum of consecutive naturals, namely, 16602162210 + 16602162211.

It is an arithmetic number, because the mean of its divisors is an integer number (16602162211).

Almost surely, 2^33204324421 is an apocalyptic number.

It is an amenable number.

33204324421 is a deficient number, since it is larger than the sum of its proper divisors (1).

33204324421 is an equidigital number, since it uses as much as digits as its factorization.

33204324421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33204324421 its reverse (12442340233), we get a palindrome (45646664654).

The spelling of 33204324421 in words is "thirty-three billion, two hundred four million, three hundred twenty-four thousand, four hundred twenty-one".