438660612171 has 6 divisors (see below), whose sum is σ = 633620884260. Its totient is φ = 292440408108.

The previous prime is 438660612149. The next prime is 438660612227. The reversal of 438660612171 is 171216066834.

438660612171 is a `hidden beast` number, since 4 + 38 + 6 + 606 + 1 + 2 + 1 + 7 + 1 = 666.

It is not a de Polignac number, because 438660612171 - 2⁵ = 438660612139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (438660612101) 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, 24370034001 + ... + 24370034018.

It is an arithmetic number, because the mean of its divisors is an integer number (105603480710).

Almost surely, 2^438660612171 is an apocalyptic number.

438660612171 is a deficient number, since it is larger than the sum of its proper divisors (194960272089).

438660612171 is a wasteful number, since it uses less digits than its factorization.

438660612171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48740068025 (or 48740068022 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 438660612171 in words is "four hundred thirty-eight billion, six hundred sixty million, six hundred twelve thousand, one hundred seventy-one".