65245164244643 has 2 divisors, whose sum is σ = 65245164244644. Its totient is φ = 65245164244642.

The previous prime is 65245164244627. The next prime is 65245164244717. The reversal of 65245164244643 is 34644246154256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65245164244643 - 2⁴ = 65245164244627 is a prime.

It is not a weakly prime, because it can be changed into another prime (65245164244613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32622582122321 + 32622582122322.

It is an arithmetic number, because the mean of its divisors is an integer number (32622582122322).

Almost surely, 2^{65245164244643} is an apocalyptic number.

65245164244643 is a deficient number, since it is larger than the sum of its proper divisors (1).

65245164244643 is an equidigital number, since it uses as much as digits as its factorization.

65245164244643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66355200, while the sum is 56.

The spelling of 65245164244643 in words is "sixty-five trillion, two hundred forty-five billion, one hundred sixty-four million, two hundred forty-four thousand, six hundred forty-three".