2543443116 has 24 divisors (see below), whose sum is σ = 5947930800. Its totient is φ = 845924352.

The previous prime is 2543443103. The next prime is 2543443171. The reversal of 2543443116 is 6113443452.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230641 + ... + 241416.

It is an arithmetic number, because the mean of its divisors is an integer number (247830450).

Almost surely, 2^2543443116 is an apocalyptic number.

It is an amenable number.

2543443116 is an abundant number, since it is smaller than the sum of its proper divisors (3404487684).

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

2543443116 is a wasteful number, since it uses less digits than its factorization.

2543443116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472513 (or 472511 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 2543443116 is about 50432.5600777910. The cubic root of 2543443116 is about 1365.0252230040.

Adding to 2543443116 its reverse (6113443452), we get a palindrome (8656886568).

The spelling of 2543443116 in words is "two billion, five hundred forty-three million, four hundred forty-three thousand, one hundred sixteen".