65303384747849 has 2 divisors, whose sum is σ = 65303384747850. Its totient is φ = 65303384747848.

The previous prime is 65303384747831. The next prime is 65303384747917. The reversal of 65303384747849 is 94874748330356.

65303384747849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48173760695824 + 17129624052025 = 6940732^2 + 4138795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65303384747849 is a prime.

It is a super-3 number, since 3×65303384747849³ (a number of 42 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (65303384747819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32651692373924 + 32651692373925.

It is an arithmetic number, because the mean of its divisors is an integer number (32651692373925).

Almost surely, 2^{65303384747849} is an apocalyptic number.

It is an amenable number.

65303384747849 is a deficient number, since it is larger than the sum of its proper divisors (1).

65303384747849 is an equidigital number, since it uses as much as digits as its factorization.

65303384747849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1463132160, while the sum is 71.

The spelling of 65303384747849 in words is "sixty-five trillion, three hundred three billion, three hundred eighty-four million, seven hundred forty-seven thousand, eight hundred forty-nine".