2840194193 has 2 divisors, whose sum is σ = 2840194194. Its totient is φ = 2840194192.

The previous prime is 2840194171. The next prime is 2840194207. The reversal of 2840194193 is 3914910482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788684864 + 51509329 = 52808^2 + 7177^2 .

It is a cyclic number.

It is not a de Polignac number, because 2840194193 - 2⁶ = 2840194129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2840194193.

It is not a weakly prime, because it can be changed into another prime (2840194153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420097096 + 1420097097.

It is an arithmetic number, because the mean of its divisors is an integer number (1420097097).

Almost surely, 2^2840194193 is an apocalyptic number.

It is an amenable number.

2840194193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840194193 is an equidigital number, since it uses as much as digits as its factorization.

2840194193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2840194193 is about 53293.4723301081. The cubic root of 2840194193 is about 1416.1720269962.

The spelling of 2840194193 in words is "two billion, eight hundred forty million, one hundred ninety-four thousand, one hundred ninety-three".