5706662609 has 2 divisors, whose sum is σ = 5706662610. Its totient is φ = 5706662608.

The previous prime is 5706662603. The next prime is 5706662617. The reversal of 5706662609 is 9062666075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4124850625 + 1581811984 = 64225^2 + 39772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5706662609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5706662603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2853331304 + 2853331305.

It is an arithmetic number, because the mean of its divisors is an integer number (2853331305).

Almost surely, 2^5706662609 is an apocalyptic number.

It is an amenable number.

5706662609 is a deficient number, since it is larger than the sum of its proper divisors (1).

5706662609 is an equidigital number, since it uses as much as digits as its factorization.

5706662609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 5706662609 is about 75542.4556722907. The cubic root of 5706662609 is about 1787.0117123185.

The spelling of 5706662609 in words is "five billion, seven hundred six million, six hundred sixty-two thousand, six hundred nine".