2042443541 has 8 divisors (see below), whose sum is σ = 2124206304. Its totient is φ = 1962238320.

The previous prime is 2042443531. The next prime is 2042443583. The reversal of 2042443541 is 1453442402.

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 2042443541 - 2¹⁸ = 2042181397 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 (2042443511) 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 7 ways as a sum of consecutive naturals, for example, 386711 + ... + 391956.

It is an arithmetic number, because the mean of its divisors is an integer number (265525788).

Almost surely, 2^2042443541 is an apocalyptic number.

It is an amenable number.

2042443541 is a deficient number, since it is larger than the sum of its proper divisors (81762763).

2042443541 is an equidigital number, since it uses as much as digits as its factorization.

2042443541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778771.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2042443541 is about 45193.4015205760. The cubic root of 2042443541 is about 1268.7713210327.

Adding to 2042443541 its reverse (1453442402), we get a palindrome (3495885943).

The spelling of 2042443541 in words is "two billion, forty-two million, four hundred forty-three thousand, five hundred forty-one".