2163244043 has 16 divisors (see below), whose sum is σ = 2267865600. Its totient is φ = 2061382176.

The previous prime is 2163243991. The next prime is 2163244051. The reversal of 2163244043 is 3404423612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163244043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2163243997 and 2163244015.

It is not an unprimeable number, because it can be changed into a prime (2162244043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703796 + ... + 706862.

It is an arithmetic number, because the mean of its divisors is an integer number (141741600).

Almost surely, 2^2163244043 is an apocalyptic number.

2163244043 is a deficient number, since it is larger than the sum of its proper divisors (104621557).

2163244043 is a wasteful number, since it uses less digits than its factorization.

2163244043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 2163244043 is about 46510.6874062295. The cubic root of 2163244043 is about 1293.3076272406.

Adding to 2163244043 its reverse (3404423612), we get a palindrome (5567667655).

The spelling of 2163244043 in words is "two billion, one hundred sixty-three million, two hundred forty-four thousand, forty-three".