4243382018 has 4 divisors (see below), whose sum is σ = 6365073030. Its totient is φ = 2121691008.

The previous prime is 4243382009. The next prime is 4243382041. The reversal of 4243382018 is 8102833424.

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

It can be written as a sum of positive squares in only one way, i.e., 3958548889 + 284833129 = 62917^2 + 16877^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060845503 + ... + 1060845506.

Almost surely, 2^4243382018 is an apocalyptic number.

4243382018 is a deficient number, since it is larger than the sum of its proper divisors (2121691012).

4243382018 is a wasteful number, since it uses less digits than its factorization.

4243382018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121691011.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 4243382018 is about 65141.2466721355. The cubic root of 4243382018 is about 1618.9646915934.

The spelling of 4243382018 in words is "four billion, two hundred forty-three million, three hundred eighty-two thousand, eighteen".