33033421213 has 8 divisors (see below), whose sum is σ = 35607997656. Its totient is φ = 30463636800.

The previous prime is 33033421207. The next prime is 33033421217. The reversal of 33033421213 is 31212433033.

It can be written as a sum of positive squares in 4 ways, for example, as 2972103289 + 30061317924 = 54517^2 + 173382^2 .

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 33033421213 - 2¹⁷ = 33033290141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33033421217) 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 7 ways as a sum of consecutive naturals, for example, 1183678 + ... + 1211263.

It is an arithmetic number, because the mean of its divisors is an integer number (4450999707).

Almost surely, 2^33033421213 is an apocalyptic number.

It is an amenable number.

33033421213 is a deficient number, since it is larger than the sum of its proper divisors (2574576443).

33033421213 is a wasteful number, since it uses less digits than its factorization.

33033421213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396015.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 33033421213 its reverse (31212433033), we get a palindrome (64245854246).

The spelling of 33033421213 in words is "thirty-three billion, thirty-three million, four hundred twenty-one thousand, two hundred thirteen".