2163565343 has 4 divisors (see below), whose sum is σ = 2222040120. Its totient is φ = 2105090568.

The previous prime is 2163565301. The next prime is 2163565363. The reversal of 2163565343 is 3435653612.

2163565343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2163565343 - 2⁸ = 2163565087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163565297 and 2163565306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163565363) 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, 29237333 + ... + 29237406.

It is an arithmetic number, because the mean of its divisors is an integer number (555510030).

Almost surely, 2^2163565343 is an apocalyptic number.

2163565343 is a deficient number, since it is larger than the sum of its proper divisors (58474777).

2163565343 is an equidigital number, since it uses as much as digits as its factorization.

2163565343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58474776.

The product of its digits is 194400, while the sum is 38.

The square root of 2163565343 is about 46514.1413228278. The cubic root of 2163565343 is about 1293.3716544086.

The spelling of 2163565343 in words is "two billion, one hundred sixty-three million, five hundred sixty-five thousand, three hundred forty-three".