2668488439 has 2 divisors, whose sum is σ = 2668488440. Its totient is φ = 2668488438.

The previous prime is 2668488409. The next prime is 2668488457. The reversal of 2668488439 is 9348848662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2668488439 - 2¹⁹ = 2667964151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668488409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334244219 + 1334244220.

It is an arithmetic number, because the mean of its divisors is an integer number (1334244220).

Almost surely, 2^2668488439 is an apocalyptic number.

2668488439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668488439 is an equidigital number, since it uses as much as digits as its factorization.

2668488439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 58.

The square root of 2668488439 is about 51657.4141726045. The cubic root of 2668488439 is about 1387.0382634138.

The spelling of 2668488439 in words is "two billion, six hundred sixty-eight million, four hundred eighty-eight thousand, four hundred thirty-nine".