42065441443 has 2 divisors, whose sum is σ = 42065441444. Its totient is φ = 42065441442.

The previous prime is 42065441441. The next prime is 42065441449. The reversal of 42065441443 is 34414456024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42065441443 - 2¹ = 42065441441 is a prime.

Together with 42065441441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42065441441) 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 as a sum of consecutive naturals, namely, 21032720721 + 21032720722.

It is an arithmetic number, because the mean of its divisors is an integer number (21032720722).

Almost surely, 2^42065441443 is an apocalyptic number.

42065441443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42065441443 is an equidigital number, since it uses as much as digits as its factorization.

42065441443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 42065441443 its reverse (34414456024), we get a palindrome (76479897467).

The spelling of 42065441443 in words is "forty-two billion, sixty-five million, four hundred forty-one thousand, four hundred forty-three".