2144320543 has 2 divisors, whose sum is σ = 2144320544. Its totient is φ = 2144320542.

The previous prime is 2144320531. The next prime is 2144320547. The reversal of 2144320543 is 3450234412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2144320543 - 2¹³ = 2144312351 is a prime.

It is a super-2 number, since 2×2144320543² = 9196221182263629698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144320547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072160271 + 1072160272.

It is an arithmetic number, because the mean of its divisors is an integer number (1072160272).

Almost surely, 2^2144320543 is an apocalyptic number.

2144320543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144320543 is an equidigital number, since it uses as much as digits as its factorization.

2144320543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2144320543 is about 46306.8088190063. The cubic root of 2144320543 is about 1289.5254034054.

Adding to 2144320543 its reverse (3450234412), we get a palindrome (5594554955).

The spelling of 2144320543 in words is "two billion, one hundred forty-four million, three hundred twenty thousand, five hundred forty-three".