5566476869 has 2 divisors, whose sum is σ = 5566476870. Its totient is φ = 5566476868.

The previous prime is 5566476863. The next prime is 5566476887. The reversal of 5566476869 is 9686746655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5302024225 + 264452644 = 72815^2 + 16262^2 .

It is a cyclic number.

It is not a de Polignac number, because 5566476869 - 2³² = 1271509573 is a prime.

It is a super-2 number, since 2×5566476869² = 61971329466224086322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5566476863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783238434 + 2783238435.

It is an arithmetic number, because the mean of its divisors is an integer number (2783238435).

Almost surely, 2^5566476869 is an apocalyptic number.

It is an amenable number.

5566476869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5566476869 is an equidigital number, since it uses as much as digits as its factorization.

5566476869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65318400, while the sum is 62.

The square root of 5566476869 is about 74608.8256776636. The cubic root of 5566476869 is about 1772.2574183735.

The spelling of 5566476869 in words is "five billion, five hundred sixty-six million, four hundred seventy-six thousand, eight hundred sixty-nine".