65583673213 has 2 divisors, whose sum is σ = 65583673214. Its totient is φ = 65583673212.

The previous prime is 65583673153. The next prime is 65583673223. The reversal of 65583673213 is 31237638556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61882532644 + 3701140569 = 248762^2 + 60837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65583673213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65583673223) 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, 32791836606 + 32791836607.

It is an arithmetic number, because the mean of its divisors is an integer number (32791836607).

Almost surely, 2^65583673213 is an apocalyptic number.

It is an amenable number.

65583673213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65583673213 is an equidigital number, since it uses as much as digits as its factorization.

65583673213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 49.

The spelling of 65583673213 in words is "sixty-five billion, five hundred eighty-three million, six hundred seventy-three thousand, two hundred thirteen".