65282727608321 has 2 divisors, whose sum is σ = 65282727608322. Its totient is φ = 65282727608320.

The previous prime is 65282727608311. The next prime is 65282727608429. The reversal of 65282727608321 is 12380672728256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53887917223921 + 11394810384400 = 7340839^2 + 3375620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65282727608321 is a prime.

It is not a weakly prime, because it can be changed into another prime (65282727608311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32641363804160 + 32641363804161.

It is an arithmetic number, because the mean of its divisors is an integer number (32641363804161).

Almost surely, 2^{65282727608321} is an apocalyptic number.

It is an amenable number.

65282727608321 is a deficient number, since it is larger than the sum of its proper divisors (1).

65282727608321 is an equidigital number, since it uses as much as digits as its factorization.

65282727608321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 65282727608321 in words is "sixty-five trillion, two hundred eighty-two billion, seven hundred twenty-seven million, six hundred eight thousand, three hundred twenty-one".