4643142843 has 6 divisors (see below), whose sum is σ = 6191014492. Its totient is φ = 3095349880.

The previous prime is 4643142797. The next prime is 4643142853. The reversal of 4643142843 is 3482413464.

It is not a de Polignac number, because 4643142843 - 2⁹ = 4643142331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4643142853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98353 + ... + 137693.

Almost surely, 2^4643142843 is an apocalyptic number.

4643142843 is a deficient number, since it is larger than the sum of its proper divisors (1547871649).

4643142843 is an frugal number, since it uses more digits than its factorization.

4643142843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78685 (or 39344 counting only the distinct ones).

The product of its digits is 221184, while the sum is 39.

The square root of 4643142843 is about 68140.6108205672. The cubic root of 4643142843 is about 1668.2866771006.

The spelling of 4643142843 in words is "four billion, six hundred forty-three million, one hundred forty-two thousand, eight hundred forty-three".