2042544433 has 2 divisors, whose sum is σ = 2042544434. Its totient is φ = 2042544432.

The previous prime is 2042544431. The next prime is 2042544451. The reversal of 2042544433 is 3344452402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1604563249 + 437981184 = 40057^2 + 20928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042544433 - 2¹ = 2042544431 is a prime.

Together with 2042544431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2042544395 and 2042544404.

It is not a weakly prime, because it can be changed into another prime (2042544431) 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 as a sum of consecutive naturals, namely, 1021272216 + 1021272217.

It is an arithmetic number, because the mean of its divisors is an integer number (1021272217).

Almost surely, 2^2042544433 is an apocalyptic number.

It is an amenable number.

2042544433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042544433 is an equidigital number, since it uses as much as digits as its factorization.

2042544433 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2042544433 is about 45194.5177316895. The cubic root of 2042544433 is about 1268.7922121476.

Adding to 2042544433 its reverse (3344452402), we get a palindrome (5386996835).

The spelling of 2042544433 in words is "two billion, forty-two million, five hundred forty-four thousand, four hundred thirty-three".