218568873359 has 2 divisors, whose sum is σ = 218568873360. Its totient is φ = 218568873358.

The previous prime is 218568873331. The next prime is 218568873379. The reversal of 218568873359 is 953378865812.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218568873359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218568873295 and 218568873304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218568873379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109284436679 + 109284436680.

It is an arithmetic number, because the mean of its divisors is an integer number (109284436680).

Almost surely, 2^218568873359 is an apocalyptic number.

218568873359 is a deficient number, since it is larger than the sum of its proper divisors (1).

218568873359 is an equidigital number, since it uses as much as digits as its factorization.

218568873359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87091200, while the sum is 65.

The spelling of 218568873359 in words is "two hundred eighteen billion, five hundred sixty-eight million, eight hundred seventy-three thousand, three hundred fifty-nine".