2543134564 has 12 divisors (see below), whose sum is σ = 4643985024. Its totient is φ = 1216281704.

The previous prime is 2543134549. The next prime is 2543134577. The reversal of 2543134564 is 4654313452.

2543134564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2543134564² = 12935066821222940192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13821292 + ... + 13821475.

It is an arithmetic number, because the mean of its divisors is an integer number (386998752).

Almost surely, 2^2543134564 is an apocalyptic number.

It is an amenable number.

2543134564 is a deficient number, since it is larger than the sum of its proper divisors (2100850460).

2543134564 is a wasteful number, since it uses less digits than its factorization.

2543134564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27642794 (or 27642792 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 2543134564 is about 50429.5009295155. The cubic root of 2543134564 is about 1364.9700224646.

It can be divided in two parts, 25431 and 34564, that added together give a palindrome (59995).

The spelling of 2543134564 in words is "two billion, five hundred forty-three million, one hundred thirty-four thousand, five hundred sixty-four".