2643116205 has 16 divisors (see below), whose sum is σ = 4318965504. Its totient is φ = 1379668800.

The previous prime is 2643116137. The next prime is 2643116207. The reversal of 2643116205 is 5026113462.

It is not a de Polignac number, because 2643116205 - 2⁸ = 2643115949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643116207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873846 + ... + 1875255.

It is an arithmetic number, because the mean of its divisors is an integer number (269935344).

Almost surely, 2^2643116205 is an apocalyptic number.

It is an amenable number.

2643116205 is a deficient number, since it is larger than the sum of its proper divisors (1675849299).

2643116205 is a wasteful number, since it uses less digits than its factorization.

2643116205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749156.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2643116205 is about 51411.2459000947. The cubic root of 2643116205 is about 1382.6282275195.

Adding to 2643116205 its reverse (5026113462), we get a palindrome (7669229667).

The spelling of 2643116205 in words is "two billion, six hundred forty-three million, one hundred sixteen thousand, two hundred five".