3884216449 has 2 divisors, whose sum is σ = 3884216450. Its totient is φ = 3884216448.

The previous prime is 3884216447. The next prime is 3884216473. The reversal of 3884216449 is 9446124883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3583818225 + 300398224 = 59865^2 + 17332^2 .

It is a cyclic number.

It is not a de Polignac number, because 3884216449 - 2¹ = 3884216447 is a prime.

Together with 3884216447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3884216447) 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, 1942108224 + 1942108225.

It is an arithmetic number, because the mean of its divisors is an integer number (1942108225).

Almost surely, 2^3884216449 is an apocalyptic number.

It is an amenable number.

3884216449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3884216449 is an equidigital number, since it uses as much as digits as its factorization.

3884216449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 49.

The square root of 3884216449 is about 62323.4823240807. The cubic root of 3884216449 is about 1571.9346036598.

The spelling of 3884216449 in words is "three billion, eight hundred eighty-four million, two hundred sixteen thousand, four hundred forty-nine".