1993201171 has 8 divisors (see below), whose sum is σ = 2148340320. Its totient is φ = 1838321472.

The previous prime is 1993201163. The next prime is 1993201181. The reversal of 1993201171 is 1711023991.

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

It is not a de Polignac number, because 1993201171 - 2³ = 1993201163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1993201121) 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, 48751 + ... + 79768.

It is an arithmetic number, because the mean of its divisors is an integer number (268542540).

Almost surely, 2^1993201171 is an apocalyptic number.

1993201171 is a deficient number, since it is larger than the sum of its proper divisors (155139149).

1993201171 is a wasteful number, since it uses less digits than its factorization.

1993201171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129725.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 1993201171 is about 44645.2816207939. The cubic root of 1993201171 is about 1258.4917644628.

The spelling of 1993201171 in words is "one billion, nine hundred ninety-three million, two hundred one thousand, one hundred seventy-one".