2544322243 has 8 divisors (see below), whose sum is σ = 2688195600. Its totient is φ = 2401445088.

The previous prime is 2544322219. The next prime is 2544322273. The reversal of 2544322243 is 3422234452.

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 2544322243 - 2⁵ = 2544322211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2544322273) 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 7 ways as a sum of consecutive naturals, for example, 243796 + ... + 254017.

It is an arithmetic number, because the mean of its divisors is an integer number (336024450).

Almost surely, 2^2544322243 is an apocalyptic number.

2544322243 is a deficient number, since it is larger than the sum of its proper divisors (143873357).

2544322243 is a wasteful number, since it uses less digits than its factorization.

2544322243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498101.

The product of its digits is 46080, while the sum is 31.

The square root of 2544322243 is about 50441.2751920488. The cubic root of 2544322243 is about 1365.1824760189.

Adding to 2544322243 its reverse (3422234452), we get a palindrome (5966556695).

The spelling of 2544322243 in words is "two billion, five hundred forty-four million, three hundred twenty-two thousand, two hundred forty-three".