2543683264 has 28 divisors (see below), whose sum is σ = 5221681200. Its totient is φ = 1227984128.

The previous prime is 2543683253. The next prime is 2543683267. The reversal of 2543683264 is 4623863452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543683264.

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 3 ways as a sum of consecutive naturals, for example, 683404 + ... + 687115.

Almost surely, 2^2543683264 is an apocalyptic number.

It is an amenable number.

2543683264 is an abundant number, since it is smaller than the sum of its proper divisors (2677997936).

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

2543683264 is a wasteful number, since it uses less digits than its factorization.

2543683264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370560 (or 1370550 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 2543683264 is about 50434.9409040994. The cubic root of 2543683264 is about 1365.0681828483.

The spelling of 2543683264 in words is "two billion, five hundred forty-three million, six hundred eighty-three thousand, two hundred sixty-four".