268584063619 has 2 divisors, whose sum is σ = 268584063620. Its totient is φ = 268584063618.

The previous prime is 268584063541. The next prime is 268584063623. The reversal of 268584063619 is 916360485862.

268584063619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268584063619 - 2¹⁵ = 268584030851 is a prime.

It is a super-2 number, since 2×268584063619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268584063019) 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, 134292031809 + 134292031810.

It is an arithmetic number, because the mean of its divisors is an integer number (134292031810).

Almost surely, 2^268584063619 is an apocalyptic number.

268584063619 is a deficient number, since it is larger than the sum of its proper divisors (1).

268584063619 is an equidigital number, since it uses as much as digits as its factorization.

268584063619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 268584063619 in words is "two hundred sixty-eight billion, five hundred eighty-four million, sixty-three thousand, six hundred nineteen".