2143304084 has 6 divisors (see below), whose sum is σ = 3750782154. Its totient is φ = 1071652040.

The previous prime is 2143304081. The next prime is 2143304089. The reversal of 2143304084 is 4804033412.

It can be written as a sum of positive squares in only one way, i.e., 1265367184 + 877936900 = 35572^2 + 29630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143304081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267913007 + ... + 267913014.

It is an arithmetic number, because the mean of its divisors is an integer number (625130359).

Almost surely, 2^2143304084 is an apocalyptic number.

It is an amenable number.

2143304084 is a deficient number, since it is larger than the sum of its proper divisors (1607478070).

2143304084 is a wasteful number, since it uses less digits than its factorization.

2143304084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535826025 (or 535826023 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 2143304084 is about 46295.8322530225. The cubic root of 2143304084 is about 1289.3216159524.

Adding to 2143304084 its reverse (4804033412), we get a palindrome (6947337496).

The spelling of 2143304084 in words is "two billion, one hundred forty-three million, three hundred four thousand, eighty-four".