65500717117369 has 2 divisors, whose sum is σ = 65500717117370. Its totient is φ = 65500717117368.

The previous prime is 65500717117361. The next prime is 65500717117391. The reversal of 65500717117369 is 96371171700556.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64298266704400 + 1202450412969 = 8018620^2 + 1096563^2 .

It is a cyclic number.

It is not a de Polignac number, because 65500717117369 - 2³ = 65500717117361 is a prime.

It is a super-2 number, since 2×65500717117369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65500717117361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32750358558684 + 32750358558685.

It is an arithmetic number, because the mean of its divisors is an integer number (32750358558685).

Almost surely, 2^{65500717117369} is an apocalyptic number.

It is an amenable number.

65500717117369 is a deficient number, since it is larger than the sum of its proper divisors (1).

65500717117369 is an equidigital number, since it uses as much as digits as its factorization.

65500717117369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8334900, while the sum is 58.

The spelling of 65500717117369 in words is "sixty-five trillion, five hundred billion, seven hundred seventeen million, one hundred seventeen thousand, three hundred sixty-nine".