65744116637 has 2 divisors, whose sum is σ = 65744116638. Its totient is φ = 65744116636.

The previous prime is 65744116591. The next prime is 65744116639. The reversal of 65744116637 is 73661144756.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56447107396 + 9297009241 = 237586^2 + 96421^2 .

It is a cyclic number.

It is not a de Polignac number, because 65744116637 - 2³⁴ = 48564247453 is a prime.

Together with 65744116639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65744116639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32872058318 + 32872058319.

It is an arithmetic number, because the mean of its divisors is an integer number (32872058319).

Almost surely, 2^65744116637 is an apocalyptic number.

It is an amenable number.

65744116637 is a deficient number, since it is larger than the sum of its proper divisors (1).

65744116637 is an equidigital number, since it uses as much as digits as its factorization.

65744116637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The spelling of 65744116637 in words is "sixty-five billion, seven hundred forty-four million, one hundred sixteen thousand, six hundred thirty-seven".