2268855859 has 2 divisors, whose sum is σ = 2268855860. Its totient is φ = 2268855858.

The previous prime is 2268855857. The next prime is 2268855877. The reversal of 2268855859 is 9585588622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2268855859 - 2¹ = 2268855857 is a prime.

Together with 2268855857, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2268855857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134427929 + 1134427930.

It is an arithmetic number, because the mean of its divisors is an integer number (1134427930).

Almost surely, 2^2268855859 is an apocalyptic number.

2268855859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268855859 is an equidigital number, since it uses as much as digits as its factorization.

2268855859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824000, while the sum is 58.

The square root of 2268855859 is about 47632.5084264938. The cubic root of 2268855859 is about 1314.0209879755.

The spelling of 2268855859 in words is "two billion, two hundred sixty-eight million, eight hundred fifty-five thousand, eight hundred fifty-nine".