42288417889 has 2 divisors, whose sum is σ = 42288417890. Its totient is φ = 42288417888.

The previous prime is 42288417883. The next prime is 42288417917. The reversal of 42288417889 is 98871488224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35066307600 + 7222110289 = 187260^2 + 84983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42288417889 is a prime.

It is not a weakly prime, because it can be changed into another prime (42288417883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144208944 + 21144208945.

It is an arithmetic number, because the mean of its divisors is an integer number (21144208945).

Almost surely, 2^42288417889 is an apocalyptic number.

It is an amenable number.

42288417889 is a deficient number, since it is larger than the sum of its proper divisors (1).

42288417889 is an equidigital number, since it uses as much as digits as its factorization.

42288417889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16515072, while the sum is 61.

The spelling of 42288417889 in words is "forty-two billion, two hundred eighty-eight million, four hundred seventeen thousand, eight hundred eighty-nine".