2566680843 has 4 divisors (see below), whose sum is σ = 3422241128. Its totient is φ = 1711120560.

The previous prime is 2566680761. The next prime is 2566680871. The reversal of 2566680843 is 3480866652.

2566680843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2566680843 - 2¹² = 2566676747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2566680792 and 2566680801.

It is not an unprimeable number, because it can be changed into a prime (2566682843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427780138 + ... + 427780143.

It is an arithmetic number, because the mean of its divisors is an integer number (855560282).

Almost surely, 2^2566680843 is an apocalyptic number.

2566680843 is a deficient number, since it is larger than the sum of its proper divisors (855560285).

2566680843 is an equidigital number, since it uses as much as digits as its factorization.

2566680843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855560284.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 2566680843 is about 50662.4204218472. The cubic root of 2566680843 is about 1369.1697320697.

The spelling of 2566680843 in words is "two billion, five hundred sixty-six million, six hundred eighty thousand, eight hundred forty-three".