65272798768129 has 2 divisors, whose sum is σ = 65272798768130. Its totient is φ = 65272798768128.

The previous prime is 65272798768127. The next prime is 65272798768271. The reversal of 65272798768129 is 92186789727256.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58254644095729 + 7018154672400 = 7632473^2 + 2649180^2 .

It is a cyclic number.

It is not a de Polignac number, because 65272798768129 - 2¹ = 65272798768127 is a prime.

It is a super-3 number, since 3×65272798768129³ (a number of 42 digits) contains 333 as substring.

Together with 65272798768127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (65272798768123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32636399384064 + 32636399384065.

It is an arithmetic number, because the mean of its divisors is an integer number (32636399384065).

Almost surely, 2^{65272798768129} is an apocalyptic number.

It is an amenable number.

65272798768129 is a deficient number, since it is larger than the sum of its proper divisors (1).

65272798768129 is an equidigital number, since it uses as much as digits as its factorization.

65272798768129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560481280, while the sum is 79.

The spelling of 65272798768129 in words is "sixty-five trillion, two hundred seventy-two billion, seven hundred ninety-eight million, seven hundred sixty-eight thousand, one hundred twenty-nine".