394485413171 has 2 divisors, whose sum is σ = 394485413172. Its totient is φ = 394485413170.

The previous prime is 394485413141. The next prime is 394485413183. The reversal of 394485413171 is 171314584493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394485413171 - 2⁶ = 394485413107 is a prime.

It is not a weakly prime, because it can be changed into another prime (394485413141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197242706585 + 197242706586.

It is an arithmetic number, because the mean of its divisors is an integer number (197242706586).

Almost surely, 2^394485413171 is an apocalyptic number.

394485413171 is a deficient number, since it is larger than the sum of its proper divisors (1).

394485413171 is an equidigital number, since it uses as much as digits as its factorization.

394485413171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 394485413171 in words is "three hundred ninety-four billion, four hundred eighty-five million, four hundred thirteen thousand, one hundred seventy-one".