268194811 has 2 divisors, whose sum is σ = 268194812. Its totient is φ = 268194810.

The previous prime is 268194803. The next prime is 268194841. The reversal of 268194811 is 118491862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268194811 - 2³ = 268194803 is a prime.

It is not a weakly prime, because it can be changed into another prime (268194841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134097405 + 134097406.

It is an arithmetic number, because the mean of its divisors is an integer number (134097406).

Almost surely, 2^268194811 is an apocalyptic number.

268194811 is a deficient number, since it is larger than the sum of its proper divisors (1).

268194811 is an equidigital number, since it uses as much as digits as its factorization.

268194811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 40.

The square root of 268194811 is about 16376.6544507723. The cubic root of 268194811 is about 644.8867545508.

The spelling of 268194811 in words is "two hundred sixty-eight million, one hundred ninety-four thousand, eight hundred eleven".