2241981899 has 2 divisors, whose sum is σ = 2241981900. Its totient is φ = 2241981898.

The previous prime is 2241981881. The next prime is 2241981901. The reversal of 2241981899 is 9981891422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2241981899 - 2¹⁶ = 2241916363 is a prime.

Together with 2241981901, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2241981899.

It is not a weakly prime, because it can be changed into another prime (2241981809) 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, 1120990949 + 1120990950.

It is an arithmetic number, because the mean of its divisors is an integer number (1120990950).

Almost surely, 2^2241981899 is an apocalyptic number.

2241981899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241981899 is an equidigital number, since it uses as much as digits as its factorization.

2241981899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 53.

The square root of 2241981899 is about 47349.5712652184. The cubic root of 2241981899 is about 1308.8122985998.

The spelling of 2241981899 in words is "two billion, two hundred forty-one million, nine hundred eighty-one thousand, eight hundred ninety-nine".