171377465317 has 2 divisors, whose sum is σ = 171377465318. Its totient is φ = 171377465316.

The previous prime is 171377465297. The next prime is 171377465333. The reversal of 171377465317 is 713564773171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162763026721 + 8614438596 = 403439^2 + 92814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171377465317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171377465387) 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, 85688732658 + 85688732659.

It is an arithmetic number, because the mean of its divisors is an integer number (85688732659).

Almost surely, 2^171377465317 is an apocalyptic number.

It is an amenable number.

171377465317 is a deficient number, since it is larger than the sum of its proper divisors (1).

171377465317 is an equidigital number, since it uses as much as digits as its factorization.

171377465317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2593080, while the sum is 52.

The spelling of 171377465317 in words is "one hundred seventy-one billion, three hundred seventy-seven million, four hundred sixty-five thousand, three hundred seventeen".