5640425717 has 2 divisors, whose sum is σ = 5640425718. Its totient is φ = 5640425716.

The previous prime is 5640425689. The next prime is 5640425737. The reversal of 5640425717 is 7175240465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5008959076 + 631466641 = 70774^2 + 25129^2 .

It is a cyclic number.

It is not a de Polignac number, because 5640425717 - 2⁶ = 5640425653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640425737) 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, 2820212858 + 2820212859.

It is an arithmetic number, because the mean of its divisors is an integer number (2820212859).

Almost surely, 2^5640425717 is an apocalyptic number.

It is an amenable number.

5640425717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640425717 is an equidigital number, since it uses as much as digits as its factorization.

5640425717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 5640425717 is about 75102.7677053249. The cubic root of 5640425717 is about 1780.0708759600.

The spelling of 5640425717 in words is "five billion, six hundred forty million, four hundred twenty-five thousand, seven hundred seventeen".