2866091243 has 2 divisors, whose sum is σ = 2866091244. Its totient is φ = 2866091242.

The previous prime is 2866091209. The next prime is 2866091279. The reversal of 2866091243 is 3421906682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2866091243 - 2¹⁰ = 2866090219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2866091243.

It is not a weakly prime, because it can be changed into another prime (2866090243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1433045621 + 1433045622.

It is an arithmetic number, because the mean of its divisors is an integer number (1433045622).

Almost surely, 2^2866091243 is an apocalyptic number.

2866091243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2866091243 is an equidigital number, since it uses as much as digits as its factorization.

2866091243 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 41.

The square root of 2866091243 is about 53535.8874307693. The cubic root of 2866091243 is about 1420.4632560798.

The spelling of 2866091243 in words is "two billion, eight hundred sixty-six million, ninety-one thousand, two hundred forty-three".