2589249247 has 4 divisors (see below), whose sum is σ = 2788422280. Its totient is φ = 2390076216.

The previous prime is 2589249217. The next prime is 2589249259. The reversal of 2589249247 is 7429429852.

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 2589249247 - 2⁷ = 2589249119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2589249194 and 2589249203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2589249217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99586497 + ... + 99586522.

It is an arithmetic number, because the mean of its divisors is an integer number (697105570).

Almost surely, 2^2589249247 is an apocalyptic number.

2589249247 is a deficient number, since it is larger than the sum of its proper divisors (199173033).

2589249247 is a wasteful number, since it uses less digits than its factorization.

2589249247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199173032.

The product of its digits is 2903040, while the sum is 52.

The square root of 2589249247 is about 50884.6661284124. Note that the first 3 decimals coincide. The cubic root of 2589249247 is about 1373.1709891059.

The spelling of 2589249247 in words is "two billion, five hundred eighty-nine million, two hundred forty-nine thousand, two hundred forty-seven".