5665831637 has 2 divisors, whose sum is σ = 5665831638. Its totient is φ = 5665831636.

The previous prime is 5665831631. The next prime is 5665831649. The reversal of 5665831637 is 7361385665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5139312721 + 526518916 = 71689^2 + 22946^2 .

It is a cyclic number.

It is not a de Polignac number, because 5665831637 - 2¹⁰ = 5665830613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5665831631) 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, 2832915818 + 2832915819.

It is an arithmetic number, because the mean of its divisors is an integer number (2832915819).

Almost surely, 2^5665831637 is an apocalyptic number.

It is an amenable number.

5665831637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5665831637 is an equidigital number, since it uses as much as digits as its factorization.

5665831637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 50.

The square root of 5665831637 is about 75271.7187062977. The cubic root of 5665831637 is about 1782.7395047288.

The spelling of 5665831637 in words is "five billion, six hundred sixty-five million, eight hundred thirty-one thousand, six hundred thirty-seven".