42429411569 has 2 divisors, whose sum is σ = 42429411570. Its totient is φ = 42429411568.

The previous prime is 42429411559. The next prime is 42429411587. The reversal of 42429411569 is 96511492424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21386137600 + 21043273969 = 146240^2 + 145063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42429411569 is a prime.

It is a super-2 number, since 2×42429411569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42429411559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21214705784 + 21214705785.

It is an arithmetic number, because the mean of its divisors is an integer number (21214705785).

Almost surely, 2^42429411569 is an apocalyptic number.

It is an amenable number.

42429411569 is a deficient number, since it is larger than the sum of its proper divisors (1).

42429411569 is an equidigital number, since it uses as much as digits as its factorization.

42429411569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 47.

The spelling of 42429411569 in words is "forty-two billion, four hundred twenty-nine million, four hundred eleven thousand, five hundred sixty-nine".