4459881689 has 2 divisors, whose sum is σ = 4459881690. Its totient is φ = 4459881688.

The previous prime is 4459881623. The next prime is 4459881719. The reversal of 4459881689 is 9861889544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4132561225 + 327320464 = 64285^2 + 18092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4459881689 is a prime.

It is not a weakly prime, because it can be changed into another prime (4459881889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229940844 + 2229940845.

It is an arithmetic number, because the mean of its divisors is an integer number (2229940845).

Almost surely, 2^4459881689 is an apocalyptic number.

It is an amenable number.

4459881689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4459881689 is an equidigital number, since it uses as much as digits as its factorization.

4459881689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 62.

The square root of 4459881689 is about 66782.3456386491. The cubic root of 4459881689 is about 1646.0427591283.

The spelling of 4459881689 in words is "four billion, four hundred fifty-nine million, eight hundred eighty-one thousand, six hundred eighty-nine".