42416247569 has 2 divisors, whose sum is σ = 42416247570. Its totient is φ = 42416247568.

The previous prime is 42416247557. The next prime is 42416247607. The reversal of 42416247569 is 96574261424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40034807569 + 2381440000 = 200087^2 + 48800^2 .

It is a cyclic number.

It is not a de Polignac number, because 42416247569 - 2¹⁶ = 42416182033 is a prime.

It is a super-2 number, since 2×42416247569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42416247169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21208123784 + 21208123785.

It is an arithmetic number, because the mean of its divisors is an integer number (21208123785).

Almost surely, 2^42416247569 is an apocalyptic number.

It is an amenable number.

42416247569 is a deficient number, since it is larger than the sum of its proper divisors (1).

42416247569 is an equidigital number, since it uses as much as digits as its factorization.

42416247569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The spelling of 42416247569 in words is "forty-two billion, four hundred sixteen million, two hundred forty-seven thousand, five hundred sixty-nine".