170351770465913 has 2 divisors, whose sum is σ = 170351770465914. Its totient is φ = 170351770465912.

The previous prime is 170351770465909. The next prime is 170351770465931. The reversal of 170351770465913 is 319564077153071.

Together with next prime (170351770465931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166333718143849 + 4018052322064 = 12897043^2 + 2004508^2 .

It is a cyclic number.

It is not a de Polignac number, because 170351770465913 - 2² = 170351770465909 is a prime.

It is a super-2 number, since 2×170351770465913² (a number of 29 digits) contains 22 as substring.

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 (170351770465993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85175885232956 + 85175885232957.

It is an arithmetic number, because the mean of its divisors is an integer number (85175885232957).

Almost surely, 2^{170351770465913} is an apocalyptic number.

It is an amenable number.

170351770465913 is a deficient number, since it is larger than the sum of its proper divisors (1).

170351770465913 is an equidigital number, since it uses as much as digits as its factorization.

170351770465913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16669800, while the sum is 59.

The spelling of 170351770465913 in words is "one hundred seventy trillion, three hundred fifty-one billion, seven hundred seventy million, four hundred sixty-five thousand, nine hundred thirteen".