171448070389 has 2 divisors, whose sum is σ = 171448070390. Its totient is φ = 171448070388.

The previous prime is 171448070351. The next prime is 171448070399. The reversal of 171448070389 is 983070844171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151562276100 + 19885794289 = 389310^2 + 141017^2 .

It is a cyclic number.

It is not a de Polignac number, because 171448070389 - 2³⁵ = 137088332021 is a prime.

It is a super-2 number, since 2×171448070389² (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 (171448070399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85724035194 + 85724035195.

It is an arithmetic number, because the mean of its divisors is an integer number (85724035195).

Almost surely, 2^171448070389 is an apocalyptic number.

It is an amenable number.

171448070389 is a deficient number, since it is larger than the sum of its proper divisors (1).

171448070389 is an equidigital number, since it uses as much as digits as its factorization.

171448070389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 171448070389 in words is "one hundred seventy-one billion, four hundred forty-eight million, seventy thousand, three hundred eighty-nine".