2216841839 has 2 divisors, whose sum is σ = 2216841840. Its totient is φ = 2216841838.

The previous prime is 2216841793. The next prime is 2216842021. The reversal of 2216841839 is 9381486122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2216841839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2216841839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2216846839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1108420919 + 1108420920.

It is an arithmetic number, because the mean of its divisors is an integer number (1108420920).

Almost surely, 2^2216841839 is an apocalyptic number.

2216841839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2216841839 is an equidigital number, since it uses as much as digits as its factorization.

2216841839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 2216841839 is about 47083.3499126814. The cubic root of 2216841839 is about 1303.9018548635.

The spelling of 2216841839 in words is "two billion, two hundred sixteen million, eight hundred forty-one thousand, eight hundred thirty-nine".