42530560543 has 4 divisors (see below), whose sum is σ = 45032358240. Its totient is φ = 40028762848.

The previous prime is 42530560517. The next prime is 42530560547. The reversal of 42530560543 is 34506503524.

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 42530560543 - 2¹⁷ = 42530429471 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 (42530560547) 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, 1250898823 + ... + 1250898856.

It is an arithmetic number, because the mean of its divisors is an integer number (11258089560).

Almost surely, 2^42530560543 is an apocalyptic number.

42530560543 is a deficient number, since it is larger than the sum of its proper divisors (2501797697).

42530560543 is a wasteful number, since it uses less digits than its factorization.

42530560543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501797696.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 42530560543 in words is "forty-two billion, five hundred thirty million, five hundred sixty thousand, five hundred forty-three".