2543876459 has 4 divisors (see below), whose sum is σ = 2544301416. Its totient is φ = 2543451504.

The previous prime is 2543876441. The next prime is 2543876519. The reversal of 2543876459 is 9546783452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2543876459 - 2¹⁶ = 2543810923 is a prime.

It is a super-3 number, since 3×2543876459³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543876459.

It is not an unprimeable number, because it can be changed into a prime (2543873459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203369 + ... + 215514.

It is an arithmetic number, because the mean of its divisors is an integer number (636075354).

Almost surely, 2^2543876459 is an apocalyptic number.

2543876459 is a deficient number, since it is larger than the sum of its proper divisors (424957).

2543876459 is an equidigital number, since it uses as much as digits as its factorization.

2543876459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424956.

The product of its digits is 7257600, while the sum is 53.

The square root of 2543876459 is about 50436.8561569811. The cubic root of 2543876459 is about 1365.1027413531.

The spelling of 2543876459 in words is "two billion, five hundred forty-three million, eight hundred seventy-six thousand, four hundred fifty-nine".