42816386329 has 2 divisors, whose sum is σ = 42816386330. Its totient is φ = 42816386328.

The previous prime is 42816386297. The next prime is 42816386341. The reversal of 42816386329 is 92368361824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42256969225 + 559417104 = 205565^2 + 23652^2 .

It is a cyclic number.

It is not a de Polignac number, because 42816386329 - 2⁵ = 42816386297 is a prime.

It is not a weakly prime, because it can be changed into another prime (42816386369) 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, 21408193164 + 21408193165.

It is an arithmetic number, because the mean of its divisors is an integer number (21408193165).

Almost surely, 2^42816386329 is an apocalyptic number.

It is an amenable number.

42816386329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42816386329 is an equidigital number, since it uses as much as digits as its factorization.

42816386329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 52.

The spelling of 42816386329 in words is "forty-two billion, eight hundred sixteen million, three hundred eighty-six thousand, three hundred twenty-nine".