170442315584543 has 2 divisors, whose sum is σ = 170442315584544. Its totient is φ = 170442315584542.

The previous prime is 170442315584473. The next prime is 170442315584581. The reversal of 170442315584543 is 345485513244071.

It is a strong prime.

It is an emirp because it is prime and its reverse (345485513244071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170442315584543 - 2¹² = 170442315580447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170442315584143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85221157792271 + 85221157792272.

It is an arithmetic number, because the mean of its divisors is an integer number (85221157792272).

Almost surely, 2^{170442315584543} is an apocalyptic number.

170442315584543 is a deficient number, since it is larger than the sum of its proper divisors (1).

170442315584543 is an equidigital number, since it uses as much as digits as its factorization.

170442315584543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256000, while the sum is 56.

The spelling of 170442315584543 in words is "one hundred seventy trillion, four hundred forty-two billion, three hundred fifteen million, five hundred eighty-four thousand, five hundred forty-three".