2568680651 has 8 divisors (see below), whose sum is σ = 2586070080. Its totient is φ = 2551311432.

The previous prime is 2568680629. The next prime is 2568680683. The reversal of 2568680651 is 1560868652.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2568680651 - 2¹⁰ = 2568679627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2568680596 and 2568680605.

It is not an unprimeable number, because it can be changed into a prime (2568680951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318596 + ... + 326558.

It is an arithmetic number, because the mean of its divisors is an integer number (323258760).

Almost surely, 2^2568680651 is an apocalyptic number.

2568680651 is a deficient number, since it is larger than the sum of its proper divisors (17389429).

2568680651 is a wasteful number, since it uses less digits than its factorization.

2568680651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105.

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2568680651 is about 50682.1531803849. The cubic root of 2568680651 is about 1369.5252321549.

The spelling of 2568680651 in words is "two billion, five hundred sixty-eight million, six hundred eighty thousand, six hundred fifty-one".