42288416893 has 2 divisors, whose sum is σ = 42288416894. Its totient is φ = 42288416892.

The previous prime is 42288416879. The next prime is 42288416909. The reversal of 42288416893 is 39861488224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34964138169 + 7324278724 = 186987^2 + 85582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42288416893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42288416393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144208446 + 21144208447.

It is an arithmetic number, because the mean of its divisors is an integer number (21144208447).

Almost surely, 2^42288416893 is an apocalyptic number.

It is an amenable number.

42288416893 is a deficient number, since it is larger than the sum of its proper divisors (1).

42288416893 is an equidigital number, since it uses as much as digits as its factorization.

42288416893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 55.

The spelling of 42288416893 in words is "forty-two billion, two hundred eighty-eight million, four hundred sixteen thousand, eight hundred ninety-three".