42026416571 has 2 divisors, whose sum is σ = 42026416572. Its totient is φ = 42026416570.

The previous prime is 42026416561. The next prime is 42026416759. The reversal of 42026416571 is 17561462024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42026416571 is a prime.

It is not a weakly prime, because it can be changed into another prime (42026416561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013208285 + 21013208286.

It is an arithmetic number, because the mean of its divisors is an integer number (21013208286).

Almost surely, 2^42026416571 is an apocalyptic number.

42026416571 is a deficient number, since it is larger than the sum of its proper divisors (1).

42026416571 is an equidigital number, since it uses as much as digits as its factorization.

42026416571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 42026416571 its reverse (17561462024), we get a palindrome (59587878595).

The spelling of 42026416571 in words is "forty-two billion, twenty-six million, four hundred sixteen thousand, five hundred seventy-one".