42041343343 has 2 divisors, whose sum is σ = 42041343344. Its totient is φ = 42041343342.

The previous prime is 42041343341. The next prime is 42041343361. The reversal of 42041343343 is 34334314024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42041343343 - 2¹ = 42041343341 is a prime.

Together with 42041343341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42041343341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21020671671 + 21020671672.

It is an arithmetic number, because the mean of its divisors is an integer number (21020671672).

Almost surely, 2^42041343343 is an apocalyptic number.

42041343343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42041343343 is an equidigital number, since it uses as much as digits as its factorization.

42041343343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 42041343343 its reverse (34334314024), we get a palindrome (76375657367).

The spelling of 42041343343 in words is "forty-two billion, forty-one million, three hundred forty-three thousand, three hundred forty-three".