2543684684 has 6 divisors (see below), whose sum is σ = 4451448204. Its totient is φ = 1271842340.

The previous prime is 2543684683. The next prime is 2543684699. The reversal of 2543684684 is 4864863452.

2543684684 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 (2543684683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317960582 + ... + 317960589.

It is an arithmetic number, because the mean of its divisors is an integer number (741908034).

Almost surely, 2^2543684684 is an apocalyptic number.

It is an amenable number.

2543684684 is a deficient number, since it is larger than the sum of its proper divisors (1907763520).

2543684684 is a wasteful number, since it uses less digits than its factorization.

2543684684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635921175 (or 635921173 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 50.

The square root of 2543684684 is about 50434.9549816395. The cubic root of 2543684684 is about 1365.0684368627.

The spelling of 2543684684 in words is "two billion, five hundred forty-three million, six hundred eighty-four thousand, six hundred eighty-four".