2163304133 has 4 divisors (see below), whose sum is σ = 2171529888. Its totient is φ = 2155078380.

The previous prime is 2163304063. The next prime is 2163304141. The reversal of 2163304133 is 3314033612.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163304133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163304193) 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, 4112483 + ... + 4113008.

It is an arithmetic number, because the mean of its divisors is an integer number (542882472).

Almost surely, 2^2163304133 is an apocalyptic number.

It is an amenable number.

2163304133 is a deficient number, since it is larger than the sum of its proper divisors (8225755).

2163304133 is an equidigital number, since it uses as much as digits as its factorization.

2163304133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225754.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 2163304133 is about 46511.3333823059. Note that the first 4 decimals coincide. The cubic root of 2163304133 is about 1293.3196021779.

Adding to 2163304133 its reverse (3314033612), we get a palindrome (5477337745).

The spelling of 2163304133 in words is "two billion, one hundred sixty-three million, three hundred four thousand, one hundred thirty-three".