2543683344 has 80 divisors (see below), whose sum is σ = 7260285312. Its totient is φ = 763316224.

The previous prime is 2543683291. The next prime is 2543683369. The reversal of 2543683344 is 4433863452.

It is a junction number, because it is equal to n+sod(n) for n = 2543683296 and 2543683305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48999 + ... + 86534.

Almost surely, 2^2543683344 is an apocalyptic number.

2543683344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2543683344 is an abundant number, since it is smaller than the sum of its proper divisors (4716601968).

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

2543683344 is a wasteful number, since it uses less digits than its factorization.

2543683344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135584 (or 135578 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The square root of 2543683344 is about 50434.9416972004. The cubic root of 2543683344 is about 1365.0681971589.

The spelling of 2543683344 in words is "two billion, five hundred forty-three million, six hundred eighty-three thousand, three hundred forty-four".