65245164243019 has 2 divisors, whose sum is σ = 65245164243020. Its totient is φ = 65245164243018.

The previous prime is 65245164242927. The next prime is 65245164243031. The reversal of 65245164243019 is 91034246154256.

65245164243019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65245164243019 - 2¹⁵ = 65245164210251 is a prime.

It is a super-2 number, since 2×65245164243019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65245164643019) 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, 32622582121509 + 32622582121510.

It is an arithmetic number, because the mean of its divisors is an integer number (32622582121510).

Almost surely, 2^{65245164243019} is an apocalyptic number.

65245164243019 is a deficient number, since it is larger than the sum of its proper divisors (1).

65245164243019 is an equidigital number, since it uses as much as digits as its factorization.

65245164243019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 65245164243019 in words is "sixty-five trillion, two hundred forty-five billion, one hundred sixty-four million, two hundred forty-three thousand, nineteen".