2543443212 has 24 divisors (see below), whose sum is σ = 5946900736. Its totient is φ = 846071568.

The previous prime is 2543443193. The next prime is 2543443237. The reversal of 2543443212 is 2123443452.

It is a self number, because there is not a number n which added to its sum of digits gives 2543443212.

It is an unprimeable number.

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, 211768 + ... + 223455.

Almost surely, 2^2543443212 is an apocalyptic number.

It is an amenable number.

2543443212 is an abundant number, since it is smaller than the sum of its proper divisors (3403457524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543443212 is a wasteful number, since it uses less digits than its factorization.

2543443212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435717 (or 435715 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 2543443212 is about 50432.5610295571. The cubic root of 2543443212 is about 1365.0252401779.

Adding to 2543443212 its reverse (2123443452), we get a palindrome (4666886664).

The spelling of 2543443212 in words is "two billion, five hundred forty-three million, four hundred forty-three thousand, two hundred twelve".