208268219 has 2 divisors, whose sum is σ = 208268220. Its totient is φ = 208268218.

The previous prime is 208268143. The next prime is 208268257. The reversal of 208268219 is 912862802.

It is an a-pointer prime, because the next prime (208268257) can be obtained adding 208268219 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208268219 is a prime.

It is a super-2 number, since 2×208268219² = 86751302090863922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (208268419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104134109 + 104134110.

It is an arithmetic number, because the mean of its divisors is an integer number (104134110).

Almost surely, 2^208268219 is an apocalyptic number.

208268219 is a deficient number, since it is larger than the sum of its proper divisors (1).

208268219 is an equidigital number, since it uses as much as digits as its factorization.

208268219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 208268219 is about 14431.5009267921. The cubic root of 208268219 is about 592.7537830498.

The spelling of 208268219 in words is "two hundred eight million, two hundred sixty-eight thousand, two hundred nineteen".