5665701889 has 2 divisors, whose sum is σ = 5665701890. Its totient is φ = 5665701888.

The previous prime is 5665701883. The next prime is 5665701893. The reversal of 5665701889 is 9881075665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4914010000 + 751691889 = 70100^2 + 27417^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665701889 - 2⁵ = 5665701857 is a prime.

It is not a weakly prime, because it can be changed into another prime (5665701883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832850944 + 2832850945.

It is an arithmetic number, because the mean of its divisors is an integer number (2832850945).

Almost surely, 2^5665701889 is an apocalyptic number.

It is an amenable number.

5665701889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665701889 is an equidigital number, since it uses as much as digits as its factorization.

5665701889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The square root of 5665701889 is about 75270.8568371584. The cubic root of 5665701889 is about 1782.7258963323.

The spelling of 5665701889 in words is "five billion, six hundred sixty-five million, seven hundred one thousand, eight hundred eighty-nine".