42143463443 has 4 divisors (see below), whose sum is σ = 42332447808. Its totient is φ = 41954479080.

The previous prime is 42143463421. The next prime is 42143463457. The reversal of 42143463443 is 34436434124.

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 42143463443 - 2³⁰ = 41069721619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42143463397 and 42143463406.

It is not an unprimeable number, because it can be changed into a prime (42143469443) 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, 94491848 + ... + 94492293.

It is an arithmetic number, because the mean of its divisors is an integer number (10583111952).

Almost surely, 2^42143463443 is an apocalyptic number.

42143463443 is a deficient number, since it is larger than the sum of its proper divisors (188984365).

42143463443 is a wasteful number, since it uses less digits than its factorization.

42143463443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188984364.

The product of its digits is 331776, while the sum is 38.

Adding to 42143463443 its reverse (34436434124), we get a palindrome (76579897567).

The spelling of 42143463443 in words is "forty-two billion, one hundred forty-three million, four hundred sixty-three thousand, four hundred forty-three".