442545110173 has 2 divisors, whose sum is σ = 442545110174. Its totient is φ = 442545110172.

The previous prime is 442545110149. The next prime is 442545110197. The reversal of 442545110173 is 371011545244.

It is a balanced prime because it is at equal distance from previous prime (442545110149) and next prime (442545110197).

It can be written as a sum of positive squares in only one way, i.e., 364934393604 + 77610716569 = 604098^2 + 278587^2 .

It is a cyclic number.

It is not a de Polignac number, because 442545110173 - 2⁹ = 442545109661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442545110143) 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, 221272555086 + 221272555087.

It is an arithmetic number, because the mean of its divisors is an integer number (221272555087).

Almost surely, 2^442545110173 is an apocalyptic number.

It is an amenable number.

442545110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

442545110173 is an equidigital number, since it uses as much as digits as its factorization.

442545110173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 442545110173 in words is "four hundred forty-two billion, five hundred forty-five million, one hundred ten thousand, one hundred seventy-three".