65497393236461 has 2 divisors, whose sum is σ = 65497393236462. Its totient is φ = 65497393236460.

The previous prime is 65497393236433. The next prime is 65497393236529. The reversal of 65497393236461 is 16463239379456.

It is an a-pointer prime, because the next prime (65497393236529) can be obtained adding 65497393236461 to its sum of digits (68).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64809664698025 + 687728538436 = 8050445^2 + 829294^2 .

It is a cyclic number.

It is not a de Polignac number, because 65497393236461 - 2¹⁸ = 65497392974317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65497393236391 and 65497393236400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65497393236421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32748696618230 + 32748696618231.

It is an arithmetic number, because the mean of its divisors is an integer number (32748696618231).

Almost surely, 2^{65497393236461} is an apocalyptic number.

It is an amenable number.

65497393236461 is a deficient number, since it is larger than the sum of its proper divisors (1).

65497393236461 is an equidigital number, since it uses as much as digits as its factorization.

65497393236461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529079040, while the sum is 68.

The spelling of 65497393236461 in words is "sixty-five trillion, four hundred ninety-seven billion, three hundred ninety-three million, two hundred thirty-six thousand, four hundred sixty-one".