5665016689 has 2 divisors, whose sum is σ = 5665016690. Its totient is φ = 5665016688.

The previous prime is 5665016597. The next prime is 5665016711. The reversal of 5665016689 is 9866105665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3602040289 + 2062976400 = 60017^2 + 45420^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665016689 - 2⁹ = 5665016177 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665016389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832508344 + 2832508345.

It is an arithmetic number, because the mean of its divisors is an integer number (2832508345).

Almost surely, 2^5665016689 is an apocalyptic number.

It is an amenable number.

5665016689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665016689 is an equidigital number, since it uses as much as digits as its factorization.

5665016689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The square root of 5665016689 is about 75266.3051371595. The cubic root of 5665016689 is about 1782.6540268591.

The spelling of 5665016689 in words is "five billion, six hundred sixty-five million, sixteen thousand, six hundred eighty-nine".