65263436317 has 2 divisors, whose sum is σ = 65263436318. Its totient is φ = 65263436316.

The previous prime is 65263436213. The next prime is 65263436327. The reversal of 65263436317 is 71363436256.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63821411641 + 1442024676 = 252629^2 + 37974^2 .

It is a cyclic number.

It is not a de Polignac number, because 65263436317 - 2¹⁵ = 65263403549 is a prime.

It is a super-2 number, since 2×65263436317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65263436327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32631718158 + 32631718159.

It is an arithmetic number, because the mean of its divisors is an integer number (32631718159).

Almost surely, 2^65263436317 is an apocalyptic number.

It is an amenable number.

65263436317 is a deficient number, since it is larger than the sum of its proper divisors (1).

65263436317 is an equidigital number, since it uses as much as digits as its factorization.

65263436317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 46.

The spelling of 65263436317 in words is "sixty-five billion, two hundred sixty-three million, four hundred thirty-six thousand, three hundred seventeen".