2173801684227 has 8 divisors (see below), whose sum is σ = 2976737441616. Its totient is φ = 1410033524832.

The previous prime is 2173801684213. The next prime is 2173801684273. The reversal of 2173801684227 is 7224861083712.

It is a happy number.

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

It is not a de Polignac number, because 2173801684227 - 2³⁰ = 2172727942403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2173801684227.

It is not an unprimeable number, because it can be changed into a prime (2173801684427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9791899368 + ... + 9791899589.

It is an arithmetic number, because the mean of its divisors is an integer number (372092180202).

Almost surely, 2^{2173801684227} is an apocalyptic number.

2173801684227 is a deficient number, since it is larger than the sum of its proper divisors (802935757389).

2173801684227 is a wasteful number, since it uses less digits than its factorization.

2173801684227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583798997.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 2173801684227 in words is "two trillion, one hundred seventy-three billion, eight hundred one million, six hundred eighty-four thousand, two hundred twenty-seven".