171034222049 has 2 divisors, whose sum is σ = 171034222050. Its totient is φ = 171034222048.

The previous prime is 171034222019. The next prime is 171034222063. The reversal of 171034222049 is 940222430171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168894697024 + 2139525025 = 410968^2 + 46255^2 .

It is a cyclic number.

It is not a de Polignac number, because 171034222049 - 2³² = 166739254753 is a prime.

It is a super-2 number, since 2×171034222049² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (171034222019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85517111024 + 85517111025.

It is an arithmetic number, because the mean of its divisors is an integer number (85517111025).

Almost surely, 2^171034222049 is an apocalyptic number.

It is an amenable number.

171034222049 is a deficient number, since it is larger than the sum of its proper divisors (1).

171034222049 is an equidigital number, since it uses as much as digits as its factorization.

171034222049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 171034222049 in words is "one hundred seventy-one billion, thirty-four million, two hundred twenty-two thousand, forty-nine".