42816386297 has 2 divisors, whose sum is σ = 42816386298. Its totient is φ = 42816386296.

The previous prime is 42816386257. The next prime is 42816386329. The reversal of 42816386297 is 79268361824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29631835321 + 13184550976 = 172139^2 + 114824^2 .

It is a cyclic number.

It is not a de Polignac number, because 42816386297 - 2²⁶ = 42749277433 is a prime.

It is not a weakly prime, because it can be changed into another prime (42816386237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21408193148 + 21408193149.

It is an arithmetic number, because the mean of its divisors is an integer number (21408193149).

Almost surely, 2^42816386297 is an apocalyptic number.

It is an amenable number.

42816386297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42816386297 is an equidigital number, since it uses as much as digits as its factorization.

42816386297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The spelling of 42816386297 in words is "forty-two billion, eight hundred sixteen million, three hundred eighty-six thousand, two hundred ninety-seven".