2133421204 has 12 divisors (see below), whose sum is σ = 3784631284. Its totient is φ = 1052097984.

The previous prime is 2133421151. The next prime is 2133421207. The reversal of 2133421204 is 4021243312.

It can be written as a sum of positive squares in 2 ways, for example, as 585156100 + 1548265104 = 24190^2 + 39348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133421207) 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 3 ways as a sum of consecutive naturals, for example, 3652827 + ... + 3653410.

Almost surely, 2^2133421204 is an apocalyptic number.

It is an amenable number.

2133421204 is a deficient number, since it is larger than the sum of its proper divisors (1651210080).

2133421204 is a wasteful number, since it uses less digits than its factorization.

2133421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306314 (or 7306312 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2133421204 is about 46188.9727532449. The cubic root of 2133421204 is about 1287.3368538557.

Adding to 2133421204 its reverse (4021243312), we get a palindrome (6154664516).

The spelling of 2133421204 in words is "two billion, one hundred thirty-three million, four hundred twenty-one thousand, two hundred four".