42434565119 has 2 divisors, whose sum is σ = 42434565120. Its totient is φ = 42434565118.

The previous prime is 42434565077. The next prime is 42434565191. The reversal of 42434565119 is 91156543424.

It is a happy number.

Together with next prime (42434565191) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42434565119 is a prime.

It is a super-2 number, since 2×42434565119² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42434565119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42434565619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217282559 + 21217282560.

It is an arithmetic number, because the mean of its divisors is an integer number (21217282560).

Almost surely, 2^42434565119 is an apocalyptic number.

42434565119 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434565119 is an equidigital number, since it uses as much as digits as its factorization.

42434565119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 42434565119 in words is "forty-two billion, four hundred thirty-four million, five hundred sixty-five thousand, one hundred nineteen".