2618768836 has 12 divisors (see below), whose sum is σ = 4583639340. Its totient is φ = 1309157600.

The previous prime is 2618768813. The next prime is 2618768839. The reversal of 2618768836 is 6388678162.

2618768836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1011240000 + 1607528836 = 31800^2 + 40094^2 .

It is not an unprimeable number, because it can be changed into a prime (2618768839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29251 + ... + 78058.

It is an arithmetic number, because the mean of its divisors is an integer number (381969945).

Almost surely, 2^2618768836 is an apocalyptic number.

It is an amenable number.

2618768836 is a deficient number, since it is larger than the sum of its proper divisors (1964870504).

2618768836 is a wasteful number, since it uses less digits than its factorization.

2618768836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113414 (or 113412 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The square root of 2618768836 is about 51173.9077655791. The cubic root of 2618768836 is about 1378.3697116985.

The spelling of 2618768836 in words is "two billion, six hundred eighteen million, seven hundred sixty-eight thousand, eight hundred thirty-six".