2543683268 has 24 divisors (see below), whose sum is σ = 5093001984. Its totient is φ = 1088942400.

The previous prime is 2543683267. The next prime is 2543683271. The reversal of 2543683268 is 8623863452.

2543683268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2543683267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24353 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (212208416).

Almost surely, 2^2543683268 is an apocalyptic number.

2543683268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2543683268 is an abundant number, since it is smaller than the sum of its proper divisors (2549318716).

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

2543683268 is a wasteful number, since it uses less digits than its factorization.

2543683268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100643 (or 100641 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 47.

The square root of 2543683268 is about 50434.9409437545. The cubic root of 2543683268 is about 1365.0681835638.

The spelling of 2543683268 in words is "two billion, five hundred forty-three million, six hundred eighty-three thousand, two hundred sixty-eight".