65894288249863 has 2 divisors, whose sum is σ = 65894288249864. Its totient is φ = 65894288249862.

The previous prime is 65894288249833. The next prime is 65894288249873. The reversal of 65894288249863 is 36894288249856.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65894288249863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65894288249833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32947144124931 + 32947144124932.

It is an arithmetic number, because the mean of its divisors is an integer number (32947144124932).

Almost surely, 2^{65894288249863} is an apocalyptic number.

65894288249863 is a deficient number, since it is larger than the sum of its proper divisors (1).

65894288249863 is an equidigital number, since it uses as much as digits as its factorization.

65894288249863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11466178560, while the sum is 82.

The spelling of 65894288249863 in words is "sixty-five trillion, eight hundred ninety-four billion, two hundred eighty-eight million, two hundred forty-nine thousand, eight hundred sixty-three".