268436219 has 2 divisors, whose sum is σ = 268436220. Its totient is φ = 268436218.

The previous prime is 268436191. The next prime is 268436249. The reversal of 268436219 is 912634862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268436219 - 2²⁰ = 267387643 is a prime.

It is a super-3 number, since 3×268436219³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (268436249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134218109 + 134218110.

It is an arithmetic number, because the mean of its divisors is an integer number (134218110).

Almost surely, 2^268436219 is an apocalyptic number.

268436219 is a deficient number, since it is larger than the sum of its proper divisors (1).

268436219 is an equidigital number, since it uses as much as digits as its factorization.

268436219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 268436219 is about 16384.0232848956. The cubic root of 268436219 is about 645.0801887362.

The spelling of 268436219 in words is "two hundred sixty-eight million, four hundred thirty-six thousand, two hundred nineteen".