218074108207 has 2 divisors, whose sum is σ = 218074108208. Its totient is φ = 218074108206.

The previous prime is 218074108199. The next prime is 218074108261. The reversal of 218074108207 is 702801470812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 218074108207 - 2³ = 218074108199 is a prime.

It is a super-3 number, since 3×218074108207³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 218074108207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218074808207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109037054103 + 109037054104.

It is an arithmetic number, because the mean of its divisors is an integer number (109037054104).

Almost surely, 2^218074108207 is an apocalyptic number.

218074108207 is a deficient number, since it is larger than the sum of its proper divisors (1).

218074108207 is an equidigital number, since it uses as much as digits as its factorization.

218074108207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50176, while the sum is 40.

The spelling of 218074108207 in words is "two hundred eighteen billion, seventy-four million, one hundred eight thousand, two hundred seven".