42433439143 has 2 divisors, whose sum is σ = 42433439144. Its totient is φ = 42433439142.

The previous prime is 42433439141. The next prime is 42433439177. The reversal of 42433439143 is 34193433424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42433439143 - 2¹ = 42433439141 is a prime.

Together with 42433439141, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 42433439096 and 42433439105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433439141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216719571 + 21216719572.

It is an arithmetic number, because the mean of its divisors is an integer number (21216719572).

Almost surely, 2^42433439143 is an apocalyptic number.

42433439143 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433439143 is an equidigital number, since it uses as much as digits as its factorization.

42433439143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 40.

The spelling of 42433439143 in words is "forty-two billion, four hundred thirty-three million, four hundred thirty-nine thousand, one hundred forty-three".