4591605806171 has 2 divisors, whose sum is σ = 4591605806172. Its totient is φ = 4591605806170.

The previous prime is 4591605806119. The next prime is 4591605806231. The reversal of 4591605806171 is 1716085061954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4591605806171 - 2¹⁰ = 4591605805147 is a prime.

It is not a weakly prime, because it can be changed into another prime (4591605806471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295802903085 + 2295802903086.

It is an arithmetic number, because the mean of its divisors is an integer number (2295802903086).

Almost surely, 2^{4591605806171} is an apocalyptic number.

4591605806171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591605806171 is an equidigital number, since it uses as much as digits as its factorization.

4591605806171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 4591605806171 in words is "four trillion, five hundred ninety-one billion, six hundred five million, eight hundred six thousand, one hundred seventy-one".