2684267189 has 2 divisors, whose sum is σ = 2684267190. Its totient is φ = 2684267188.

The previous prime is 2684267177. The next prime is 2684267213. The reversal of 2684267189 is 9817624862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1975802500 + 708464689 = 44450^2 + 26617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684267189 - 2²⁴ = 2667489973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2684267189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684263189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342133594 + 1342133595.

It is an arithmetic number, because the mean of its divisors is an integer number (1342133595).

Almost surely, 2^2684267189 is an apocalyptic number.

It is an amenable number.

2684267189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684267189 is an equidigital number, since it uses as much as digits as its factorization.

2684267189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 2684267189 is about 51809.9140030168. The cubic root of 2684267189 is about 1389.7667412184.

The spelling of 2684267189 in words is "two billion, six hundred eighty-four million, two hundred sixty-seven thousand, one hundred eighty-nine".