5638002171 has 32 divisors (see below), whose sum is σ = 7858529280. Its totient is φ = 3592875264.

The previous prime is 5638002157. The next prime is 5638002193. The reversal of 5638002171 is 1712008365.

It is not a de Polignac number, because 5638002171 - 2¹⁰ = 5638001147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5638002971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1038861 + ... + 1044273.

It is an arithmetic number, because the mean of its divisors is an integer number (245579040).

Almost surely, 2^5638002171 is an apocalyptic number.

5638002171 is a deficient number, since it is larger than the sum of its proper divisors (2220527109).

5638002171 is a wasteful number, since it uses less digits than its factorization.

5638002171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5638002171 is about 75086.6311070087. The cubic root of 5638002171 is about 1779.8158891972.

The spelling of 5638002171 in words is "five billion, six hundred thirty-eight million, two thousand, one hundred seventy-one".