65497666924793 has 2 divisors, whose sum is σ = 65497666924794. Its totient is φ = 65497666924792.

The previous prime is 65497666924691. The next prime is 65497666924819. The reversal of 65497666924793 is 39742966679456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64245803561104 + 1251863363689 = 8015348^2 + 1118867^2 .

It is a cyclic number.

It is not a de Polignac number, because 65497666924793 - 2¹⁶ = 65497666859257 is a prime.

It is a super-2 number, since 2×65497666924793² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65497666914793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32748833462396 + 32748833462397.

It is an arithmetic number, because the mean of its divisors is an integer number (32748833462397).

Almost surely, 2^{65497666924793} is an apocalyptic number.

It is an amenable number.

65497666924793 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497666924793 is an equidigital number, since it uses as much as digits as its factorization.

65497666924793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22221319680, while the sum is 83.

The spelling of 65497666924793 in words is "sixty-five trillion, four hundred ninety-seven billion, six hundred sixty-six million, nine hundred twenty-four thousand, seven hundred ninety-three".