5664697937 has 2 divisors, whose sum is σ = 5664697938. Its totient is φ = 5664697936.

The previous prime is 5664697897. The next prime is 5664697963. The reversal of 5664697937 is 7397964665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3395509441 + 2269188496 = 58271^2 + 47636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5664697937 - 2¹⁰ = 5664696913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5664697937.

It is not a weakly prime, because it can be changed into another prime (5664697537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2832348968 + 2832348969.

It is an arithmetic number, because the mean of its divisors is an integer number (2832348969).

Almost surely, 2^5664697937 is an apocalyptic number.

It is an amenable number.

5664697937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5664697937 is an equidigital number, since it uses as much as digits as its factorization.

5664697937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 62.

The square root of 5664697937 is about 75264.1876127020. The cubic root of 5664697937 is about 1782.6205915239.

The spelling of 5664697937 in words is "five billion, six hundred sixty-four million, six hundred ninety-seven thousand, nine hundred thirty-seven".