5664863917 has 2 divisors, whose sum is σ = 5664863918. Its totient is φ = 5664863916.

The previous prime is 5664863887. The next prime is 5664863977. The reversal of 5664863917 is 7193684665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4123437796 + 1541426121 = 64214^2 + 39261^2 .

It is a cyclic number.

It is not a de Polignac number, because 5664863917 - 2¹¹ = 5664861869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5664863977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832431958 + 2832431959.

It is an arithmetic number, because the mean of its divisors is an integer number (2832431959).

Almost surely, 2^5664863917 is an apocalyptic number.

It is an amenable number.

5664863917 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664863917 is an equidigital number, since it uses as much as digits as its factorization.

5664863917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 55.

The square root of 5664863917 is about 75265.2902538747. The cubic root of 5664863917 is about 1782.6380020714.

The spelling of 5664863917 in words is "five billion, six hundred sixty-four million, eight hundred sixty-three thousand, nine hundred seventeen".