2668385459 has 2 divisors, whose sum is σ = 2668385460. Its totient is φ = 2668385458.

The previous prime is 2668385437. The next prime is 2668385471. The reversal of 2668385459 is 9545838662.

2668385459 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 a de Polignac number, because none of the positive numbers 2^k-2668385459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2668387459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334192729 + 1334192730.

It is an arithmetic number, because the mean of its divisors is an integer number (1334192730).

Almost surely, 2^2668385459 is an apocalyptic number.

2668385459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668385459 is an equidigital number, since it uses as much as digits as its factorization.

2668385459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 56.

The square root of 2668385459 is about 51656.4174038425. The cubic root of 2668385459 is about 1387.0204207236.

The spelling of 2668385459 in words is "two billion, six hundred sixty-eight million, three hundred eighty-five thousand, four hundred fifty-nine".