206868419 has 2 divisors, whose sum is σ = 206868420. Its totient is φ = 206868418.

The previous prime is 206868413. The next prime is 206868421. The reversal of 206868419 is 914868602.

It is a happy number.

206868419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206868419 - 2⁸ = 206868163 is a prime.

It is a super-2 number, since 2×206868419² = 85589085559119122, which contains 22 as substring.

Together with 206868421, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206868419.

It is not a weakly prime, because it can be changed into another prime (206868413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103434209 + 103434210.

It is an arithmetic number, because the mean of its divisors is an integer number (103434210).

Almost surely, 2^206868419 is an apocalyptic number.

206868419 is a deficient number, since it is larger than the sum of its proper divisors (1).

206868419 is an equidigital number, since it uses as much as digits as its factorization.

206868419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 206868419 is about 14382.9210871784. The cubic root of 206868419 is about 591.4228028235.

The spelling of 206868419 in words is "two hundred six million, eight hundred sixty-eight thousand, four hundred nineteen".