4638868171 has 16 divisors (see below), whose sum is σ = 5420800000. Its totient is φ = 3968058024.

The previous prime is 4638868153. The next prime is 4638868177. The reversal of 4638868171 is 1718688364.

It is not a de Polignac number, because 4638868171 - 2⁵ = 4638868139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4638868177) 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 15 ways as a sum of consecutive naturals, for example, 157606 + ... + 184708.

It is an arithmetic number, because the mean of its divisors is an integer number (338800000).

Almost surely, 2^4638868171 is an apocalyptic number.

4638868171 is a deficient number, since it is larger than the sum of its proper divisors (781931829).

4638868171 is an equidigital number, since it uses as much as digits as its factorization.

4638868171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27623 (or 27609 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 4638868171 is about 68109.2370460865. The cubic root of 4638868171 is about 1667.7745550180.

The spelling of 4638868171 in words is "four billion, six hundred thirty-eight million, eight hundred sixty-eight thousand, one hundred seventy-one".