171442427137 has 2 divisors, whose sum is σ = 171442427138. Its totient is φ = 171442427136.

The previous prime is 171442427077. The next prime is 171442427171. The reversal of 171442427137 is 731724244171.

171442427137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121566584896 + 49875842241 = 348664^2 + 223329^2 .

It is a cyclic number.

It is not a de Polignac number, because 171442427137 - 2²⁷ = 171308209409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 171442427093 and 171442427102.

It is not a weakly prime, because it can be changed into another prime (171442427437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85721213568 + 85721213569.

It is an arithmetic number, because the mean of its divisors is an integer number (85721213569).

Almost surely, 2^171442427137 is an apocalyptic number.

It is an amenable number.

171442427137 is a deficient number, since it is larger than the sum of its proper divisors (1).

171442427137 is an equidigital number, since it uses as much as digits as its factorization.

171442427137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 263424, while the sum is 43.

The spelling of 171442427137 in words is "one hundred seventy-one billion, four hundred forty-two million, four hundred twenty-seven thousand, one hundred thirty-seven".