42273875543 has 4 divisors (see below), whose sum is σ = 42668958600. Its totient is φ = 41878792488.

The previous prime is 42273875519. The next prime is 42273875603. The reversal of 42273875543 is 34557837224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42273875543 - 2²² = 42269681239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42273875491 and 42273875500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273875443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197541368 + ... + 197541581.

It is an arithmetic number, because the mean of its divisors is an integer number (10667239650).

Almost surely, 2^42273875543 is an apocalyptic number.

42273875543 is a deficient number, since it is larger than the sum of its proper divisors (395083057).

42273875543 is a wasteful number, since it uses less digits than its factorization.

42273875543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395083056.

The product of its digits is 5644800, while the sum is 50.

The spelling of 42273875543 in words is "forty-two billion, two hundred seventy-three million, eight hundred seventy-five thousand, five hundred forty-three".