171349476173 has 2 divisors, whose sum is σ = 171349476174. Its totient is φ = 171349476172.

The previous prime is 171349476143. The next prime is 171349476217. The reversal of 171349476173 is 371674943171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122834127529 + 48515348644 = 350477^2 + 220262^2 .

It is a cyclic number.

It is not a de Polignac number, because 171349476173 - 2¹⁰ = 171349475149 is a prime.

It is a super-2 number, since 2×171349476173² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171349476143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85674738086 + 85674738087.

It is an arithmetic number, because the mean of its divisors is an integer number (85674738087).

Almost surely, 2^171349476173 is an apocalyptic number.

It is an amenable number.

171349476173 is a deficient number, since it is larger than the sum of its proper divisors (1).

171349476173 is an equidigital number, since it uses as much as digits as its factorization.

171349476173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2667168, while the sum is 53.

The spelling of 171349476173 in words is "one hundred seventy-one billion, three hundred forty-nine million, four hundred seventy-six thousand, one hundred seventy-three".