4388668841 has 2 divisors, whose sum is σ = 4388668842. Its totient is φ = 4388668840.

The previous prime is 4388668831. The next prime is 4388668883. The reversal of 4388668841 is 1488668834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4360621225 + 28047616 = 66035^2 + 5296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4388668841 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4388668831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194334420 + 2194334421.

It is an arithmetic number, because the mean of its divisors is an integer number (2194334421).

Almost surely, 2^4388668841 is an apocalyptic number.

It is an amenable number.

4388668841 is a deficient number, since it is larger than the sum of its proper divisors (1).

4388668841 is an equidigital number, since it uses as much as digits as its factorization.

4388668841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7077888, while the sum is 56.

The square root of 4388668841 is about 66247.0289220581. The cubic root of 4388668841 is about 1637.2346865843.

The spelling of 4388668841 in words is "four billion, three hundred eighty-eight million, six hundred sixty-eight thousand, eight hundred forty-one".