2163303344 has 20 divisors (see below), whose sum is σ = 4207345296. Its totient is φ = 1077536832.

The previous prime is 2163303323. The next prime is 2163303347. The reversal of 2163303344 is 4433033612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2163303347) 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 3 ways as a sum of consecutive naturals, for example, 252839 + ... + 261254.

Almost surely, 2^2163303344 is an apocalyptic number.

It is an amenable number.

2163303344 is a deficient number, since it is larger than the sum of its proper divisors (2044041952).

2163303344 is a wasteful number, since it uses less digits than its factorization.

2163303344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514364 (or 514358 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

The square root of 2163303344 is about 46511.3249005014. The cubic root of 2163303344 is about 1293.3194449448.

Adding to 2163303344 its reverse (4433033612), we get a palindrome (6596336956).

The spelling of 2163303344 in words is "two billion, one hundred sixty-three million, three hundred three thousand, three hundred forty-four".