4143645163 has 24 divisors (see below), whose sum is σ = 5091440640. Its totient is φ = 3357138960.

The previous prime is 4143645131. The next prime is 4143645167. The reversal of 4143645163 is 3615463414.

It is not a de Polignac number, because 4143645163 - 2⁵ = 4143645131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143645167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33598 + ... + 97036.

It is an arithmetic number, because the mean of its divisors is an integer number (212143360).

Almost surely, 2^4143645163 is an apocalyptic number.

4143645163 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4143645163 is a deficient number, since it is larger than the sum of its proper divisors (947795477).

4143645163 is a wasteful number, since it uses less digits than its factorization.

4143645163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63527 (or 63520 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 4143645163 is about 64371.1516364279. The cubic root of 4143645163 is about 1606.1798970793.

The spelling of 4143645163 in words is "four billion, one hundred forty-three million, six hundred forty-five thousand, one hundred sixty-three".