591242443867 has 2 divisors, whose sum is σ = 591242443868. Its totient is φ = 591242443866.

The previous prime is 591242443861. The next prime is 591242443901. The reversal of 591242443867 is 768344242195.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 591242443867 - 2¹⁵ = 591242411099 is a prime.

It is not a weakly prime, because it can be changed into another prime (591242443861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295621221933 + 295621221934.

It is an arithmetic number, because the mean of its divisors is an integer number (295621221934).

Almost surely, 2^591242443867 is an apocalyptic number.

591242443867 is a deficient number, since it is larger than the sum of its proper divisors (1).

591242443867 is an equidigital number, since it uses as much as digits as its factorization.

591242443867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 55.

The spelling of 591242443867 in words is "five hundred ninety-one billion, two hundred forty-two million, four hundred forty-three thousand, eight hundred sixty-seven".