4012434243 has 12 divisors (see below), whose sum is σ = 5831297160. Its totient is φ = 2658544416.

The previous prime is 4012434199. The next prime is 4012434247. The reversal of 4012434243 is 3424342104.

It is a happy number.

It is not a de Polignac number, because 4012434243 - 2⁹ = 4012433731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4012434247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1366098 + ... + 1369031.

It is an arithmetic number, because the mean of its divisors is an integer number (485941430).

Almost surely, 2^4012434243 is an apocalyptic number.

4012434243 is a deficient number, since it is larger than the sum of its proper divisors (1818862917).

4012434243 is a wasteful number, since it uses less digits than its factorization.

4012434243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735298 (or 2735295 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4012434243 is about 63343.7782501170. The cubic root of 4012434243 is about 1589.0441947410.

Adding to 4012434243 its reverse (3424342104), we get a palindrome (7436776347).

The spelling of 4012434243 in words is "four billion, twelve million, four hundred thirty-four thousand, two hundred forty-three".