2268774563 has 12 divisors (see below), whose sum is σ = 2515860984. Its totient is φ = 2044257600.

The previous prime is 2268774509. The next prime is 2268774577. The reversal of 2268774563 is 3654778622.

It is not a de Polignac number, because 2268774563 - 2⁶ = 2268774499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2268774503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69293 + ... + 96638.

It is an arithmetic number, because the mean of its divisors is an integer number (209655082).

Almost surely, 2^2268774563 is an apocalyptic number.

2268774563 is a deficient number, since it is larger than the sum of its proper divisors (247086421).

2268774563 is a wasteful number, since it uses less digits than its factorization.

2268774563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166066 (or 166055 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The square root of 2268774563 is about 47631.6550520764. The cubic root of 2268774563 is about 1314.0052934386.

The spelling of 2268774563 in words is "two billion, two hundred sixty-eight million, seven hundred seventy-four thousand, five hundred sixty-three".