2042544343 has 4 divisors (see below), whose sum is σ = 2334336400. Its totient is φ = 1750752288.

The previous prime is 2042544341. The next prime is 2042544347. The reversal of 2042544343 is 3434452402.

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 2042544343 - 2¹ = 2042544341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042544341) 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, 145896018 + ... + 145896031.

It is an arithmetic number, because the mean of its divisors is an integer number (583584100).

Almost surely, 2^2042544343 is an apocalyptic number.

2042544343 is a deficient number, since it is larger than the sum of its proper divisors (291792057).

2042544343 is an equidigital number, since it uses as much as digits as its factorization.

2042544343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291792056.

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

The square root of 2042544343 is about 45194.5167359935. The cubic root of 2042544343 is about 1268.7921935121.

Adding to 2042544343 its reverse (3434452402), we get a palindrome (5476996745).

The spelling of 2042544343 in words is "two billion, forty-two million, five hundred forty-four thousand, three hundred forty-three".