2171671873674 has 8 divisors (see below), whose sum is σ = 4343343747360. Its totient is φ = 723890624556.

The previous prime is 2171671873561. The next prime is 2171671873697. The reversal of 2171671873674 is 4763781761712.

It is a sphenic number, since it is the product of 3 distinct primes.

2171671873674 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180972656134 + ... + 180972656145.

It is an arithmetic number, because the mean of its divisors is an integer number (542917968420).

Almost surely, 2^{2171671873674} is an apocalyptic number.

2171671873674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2171671873674 is a wasteful number, since it uses less digits than its factorization.

2171671873674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361945312284.

The product of its digits is 16595712, while the sum is 60.

The spelling of 2171671873674 in words is "two trillion, one hundred seventy-one billion, six hundred seventy-one million, eight hundred seventy-three thousand, six hundred seventy-four".