171094123994 has 4 divisors (see below), whose sum is σ = 256641185994. Its totient is φ = 85547061996.

The previous prime is 171094123913. The next prime is 171094124009. The reversal of 171094123994 is 499321490171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140165625769 + 30928498225 = 374387^2 + 175865^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42773530997 + ... + 42773531000.

Almost surely, 2^171094123994 is an apocalyptic number.

171094123994 is a deficient number, since it is larger than the sum of its proper divisors (85547062000).

171094123994 is an equidigital number, since it uses as much as digits as its factorization.

171094123994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85547061999.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 171094123994 in words is "one hundred seventy-one billion, ninety-four million, one hundred twenty-three thousand, nine hundred ninety-four".