2543522689 has 8 divisors (see below), whose sum is σ = 2739727872. Its totient is φ = 2354452320.

The previous prime is 2543522669. The next prime is 2543522701. The reversal of 2543522689 is 9862253452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2543522689 - 2¹³ = 2543514497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543522659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782964 + ... + 1784389.

It is an arithmetic number, because the mean of its divisors is an integer number (342465984).

Almost surely, 2^2543522689 is an apocalyptic number.

It is an amenable number.

2543522689 is a deficient number, since it is larger than the sum of its proper divisors (196205183).

2543522689 is a wasteful number, since it uses less digits than its factorization.

2543522689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567407.

The product of its digits is 1036800, while the sum is 46.

The square root of 2543522689 is about 50433.3489766444. The cubic root of 2543522689 is about 1365.0394580408.

The spelling of 2543522689 in words is "two billion, five hundred forty-three million, five hundred twenty-two thousand, six hundred eighty-nine".