65889418313 has 2 divisors, whose sum is σ = 65889418314. Its totient is φ = 65889418312.

The previous prime is 65889418267. The next prime is 65889418319. The reversal of 65889418313 is 31381498856.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54548872249 + 11340546064 = 233557^2 + 106492^2 .

It is a cyclic number.

It is not a de Polignac number, because 65889418313 - 2¹⁰ = 65889417289 is a prime.

It is not a weakly prime, because it can be changed into another prime (65889418319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32944709156 + 32944709157.

It is an arithmetic number, because the mean of its divisors is an integer number (32944709157).

Almost surely, 2^65889418313 is an apocalyptic number.

It is an amenable number.

65889418313 is a deficient number, since it is larger than the sum of its proper divisors (1).

65889418313 is an equidigital number, since it uses as much as digits as its factorization.

65889418313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 56.

The spelling of 65889418313 in words is "sixty-five billion, eight hundred eighty-nine million, four hundred eighteen thousand, three hundred thirteen".