2568779216674 has 16 divisors (see below), whose sum is σ = 4235544362016. Its totient is φ = 1158713732800.

The previous prime is 2568779216623. The next prime is 2568779216683. The reversal of 2568779216674 is 4766129778652.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 445656247 + ... + 445662010.

It is an arithmetic number, because the mean of its divisors is an integer number (264721522626).

Almost surely, 2^{2568779216674} is an apocalyptic number.

2568779216674 is a deficient number, since it is larger than the sum of its proper divisors (1666765145342).

2568779216674 is a wasteful number, since it uses less digits than its factorization.

2568779216674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891318401.

The product of its digits is 426746880, while the sum is 70.

The spelling of 2568779216674 in words is "two trillion, five hundred sixty-eight billion, seven hundred seventy-nine million, two hundred sixteen thousand, six hundred seventy-four".