2042045543543 has 8 divisors (see below), whose sum is σ = 2060927534160. Its totient is φ = 2023249576320.

The previous prime is 2042045543537. The next prime is 2042045543557. The reversal of 2042045543543 is 3453455402402.

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 2042045543543 - 2¹⁰ = 2042045542519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2042045543543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042045543563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21458153 + ... + 21553106.

It is an arithmetic number, because the mean of its divisors is an integer number (257615941770).

Almost surely, 2^{2042045543543} is an apocalyptic number.

2042045543543 is a deficient number, since it is larger than the sum of its proper divisors (18881990617).

2042045543543 is a wasteful number, since it uses less digits than its factorization.

2042045543543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43011697.

The product of its (nonzero) digits is 1152000, while the sum is 41.

The spelling of 2042045543543 in words is "two trillion, forty-two billion, forty-five million, five hundred forty-three thousand, five hundred forty-three".