4271808689 has 2 divisors, whose sum is σ = 4271808690. Its totient is φ = 4271808688.

The previous prime is 4271808631. The next prime is 4271808691. The reversal of 4271808689 is 9868081724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3246720400 + 1025088289 = 56980^2 + 32017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4271808689 is a prime.

Together with 4271808691, 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 4271808689.

It is not a weakly prime, because it can be changed into another prime (4271808089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135904344 + 2135904345.

It is an arithmetic number, because the mean of its divisors is an integer number (2135904345).

Almost surely, 2^4271808689 is an apocalyptic number.

It is an amenable number.

4271808689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4271808689 is an equidigital number, since it uses as much as digits as its factorization.

4271808689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 4271808689 is about 65359.0750317047. The cubic root of 4271808689 is about 1622.5718293022.

The spelling of 4271808689 in words is "four billion, two hundred seventy-one million, eight hundred eight thousand, six hundred eighty-nine".