65303384747917 has 2 divisors, whose sum is σ = 65303384747918. Its totient is φ = 65303384747916.

The previous prime is 65303384747849. The next prime is 65303384747981. The reversal of 65303384747917 is 71974748330356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52772393620521 + 12530991127396 = 7264461^2 + 3539914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65303384747917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65303384747317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32651692373958 + 32651692373959.

It is an arithmetic number, because the mean of its divisors is an integer number (32651692373959).

Almost surely, 2^{65303384747917} is an apocalyptic number.

It is an amenable number.

65303384747917 is a deficient number, since it is larger than the sum of its proper divisors (1).

65303384747917 is an equidigital number, since it uses as much as digits as its factorization.

65303384747917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320060160, while the sum is 67.

The spelling of 65303384747917 in words is "sixty-five trillion, three hundred three billion, three hundred eighty-four million, seven hundred forty-seven thousand, nine hundred seventeen".