2684094191 has 2 divisors, whose sum is σ = 2684094192. Its totient is φ = 2684094190.

The previous prime is 2684094167. The next prime is 2684094209. The reversal of 2684094191 is 1914904862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2684094191 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684094131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342047095 + 1342047096.

It is an arithmetic number, because the mean of its divisors is an integer number (1342047096).

Almost surely, 2^2684094191 is an apocalyptic number.

2684094191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684094191 is an equidigital number, since it uses as much as digits as its factorization.

2684094191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2684094191 is about 51808.2444307853. The cubic root of 2684094191 is about 1389.7368842761.

The spelling of 2684094191 in words is "two billion, six hundred eighty-four million, ninety-four thousand, one hundred ninety-one".