2268538811 has 8 divisors (see below), whose sum is σ = 2828308224. Its totient is φ = 1767692520.

The previous prime is 2268538787. The next prime is 2268538813. The reversal of 2268538811 is 1188358622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2268538811 - 2⁶ = 2268538747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2268538813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14730695 + ... + 14730848.

It is an arithmetic number, because the mean of its divisors is an integer number (353538528).

Almost surely, 2^2268538811 is an apocalyptic number.

2268538811 is a deficient number, since it is larger than the sum of its proper divisors (559769413).

2268538811 is a wasteful number, since it uses less digits than its factorization.

2268538811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29461561.

The product of its digits is 184320, while the sum is 44.

The square root of 2268538811 is about 47629.1802469872. The cubic root of 2268538811 is about 1313.9597783969.

The spelling of 2268538811 in words is "two billion, two hundred sixty-eight million, five hundred thirty-eight thousand, eight hundred eleven".