171064677089 has 2 divisors, whose sum is σ = 171064677090. Its totient is φ = 171064677088.

The previous prime is 171064677041. The next prime is 171064677131. The reversal of 171064677089 is 980776460171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119702160400 + 51362516689 = 345980^2 + 226633^2 .

It is an emirp because it is prime and its reverse (980776460171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171064677089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (171064677689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85532338544 + 85532338545.

It is an arithmetic number, because the mean of its divisors is an integer number (85532338545).

Almost surely, 2^171064677089 is an apocalyptic number.

It is an amenable number.

171064677089 is a deficient number, since it is larger than the sum of its proper divisors (1).

171064677089 is an equidigital number, since it uses as much as digits as its factorization.

171064677089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 171064677089 in words is "one hundred seventy-one billion, sixty-four million, six hundred seventy-seven thousand, eighty-nine".