4642648163 has 4 divisors (see below), whose sum is σ = 4644671640. Its totient is φ = 4640624688.

The previous prime is 4642648159. The next prime is 4642648169. The reversal of 4642648163 is 3618462464.

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

It is a cyclic number.

It is not a de Polignac number, because 4642648163 - 2² = 4642648159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4642648169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1008293 + ... + 1012886.

It is an arithmetic number, because the mean of its divisors is an integer number (1161167910).

Almost surely, 2^4642648163 is an apocalyptic number.

4642648163 is a deficient number, since it is larger than the sum of its proper divisors (2023477).

4642648163 is a wasteful number, since it uses less digits than its factorization.

4642648163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023476.

The product of its digits is 663552, while the sum is 44.

The square root of 4642648163 is about 68136.9808767603. The cubic root of 4642648163 is about 1668.2274286281.

The spelling of 4642648163 in words is "four billion, six hundred forty-two million, six hundred forty-eight thousand, one hundred sixty-three".