42331334443 has 2 divisors, whose sum is σ = 42331334444. Its totient is φ = 42331334442.

The previous prime is 42331334431. The next prime is 42331334453. The reversal of 42331334443 is 34443313324.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42331334443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42331334399 and 42331334408.

It is not a weakly prime, because it can be changed into another prime (42331334453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165667221 + 21165667222.

It is an arithmetic number, because the mean of its divisors is an integer number (21165667222).

Almost surely, 2^42331334443 is an apocalyptic number.

42331334443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42331334443 is an equidigital number, since it uses as much as digits as its factorization.

42331334443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 34.

Adding to 42331334443 its reverse (34443313324), we get a palindrome (76774647767).

The spelling of 42331334443 in words is "forty-two billion, three hundred thirty-one million, three hundred thirty-four thousand, four hundred forty-three".