227849667691 has 2 divisors, whose sum is σ = 227849667692. Its totient is φ = 227849667690.

The previous prime is 227849667667. The next prime is 227849667701. The reversal of 227849667691 is 196766948722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 227849667691 - 2²⁷ = 227715449963 is a prime.

It is not a weakly prime, because it can be changed into another prime (227849667491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113924833845 + 113924833846.

It is an arithmetic number, because the mean of its divisors is an integer number (113924833846).

Almost surely, 2^227849667691 is an apocalyptic number.

227849667691 is a deficient number, since it is larger than the sum of its proper divisors (1).

227849667691 is an equidigital number, since it uses as much as digits as its factorization.

227849667691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 109734912, while the sum is 67.

The spelling of 227849667691 in words is "two hundred twenty-seven billion, eight hundred forty-nine million, six hundred sixty-seven thousand, six hundred ninety-one".