7143442418 has 16 divisors (see below), whose sum is σ = 12289179840. Its totient is φ = 3050655696.

The previous prime is 7143442417. The next prime is 7143442441. The reversal of 7143442418 is 8142443417.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7143442417) 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 7 ways as a sum of consecutive naturals, for example, 897533 + ... + 905456.

It is an arithmetic number, because the mean of its divisors is an integer number (768073740).

Almost surely, 2^7143442418 is an apocalyptic number.

7143442418 is a deficient number, since it is larger than the sum of its proper divisors (5145737422).

7143442418 is a wasteful number, since it uses less digits than its factorization.

7143442418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803281.

The product of its digits is 86016, while the sum is 38.

The square root of 7143442418 is about 84518.8879363660. The cubic root of 7143442418 is about 1925.9093847358.

Subtracting 7143442418 from its reverse (8142443417), we obtain a palindrome (999000999).

The spelling of 7143442418 in words is "seven billion, one hundred forty-three million, four hundred forty-two thousand, four hundred eighteen".