2684861143 has 2 divisors, whose sum is σ = 2684861144. Its totient is φ = 2684861142.

The previous prime is 2684861111. The next prime is 2684861149. The reversal of 2684861143 is 3411684862.

2684861143 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 not a de Polignac number, because 2684861143 - 2⁵ = 2684861111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2684861143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684861149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342430571 + 1342430572.

It is an arithmetic number, because the mean of its divisors is an integer number (1342430572).

Almost surely, 2^2684861143 is an apocalyptic number.

2684861143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684861143 is an equidigital number, since it uses as much as digits as its factorization.

2684861143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 2684861143 is about 51815.6457356270. The cubic root of 2684861143 is about 1389.8692392909.

The spelling of 2684861143 in words is "two billion, six hundred eighty-four million, eight hundred sixty-one thousand, one hundred forty-three".