442375011173 has 4 divisors (see below), whose sum is σ = 442465131180. Its totient is φ = 442284891168.

The previous prime is 442375011161. The next prime is 442375011217. The reversal of 442375011173 is 371110573244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 387141550849 + 55233460324 = 622207^2 + 235018^2 .

It is a cyclic number.

It is not a de Polignac number, because 442375011173 - 2⁴ = 442375011157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442375011103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45052640 + ... + 45062457.

It is an arithmetic number, because the mean of its divisors is an integer number (110616282795).

Almost surely, 2^442375011173 is an apocalyptic number.

It is an amenable number.

442375011173 is a deficient number, since it is larger than the sum of its proper divisors (90120007).

442375011173 is an equidigital number, since it uses as much as digits as its factorization.

442375011173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90120006.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 442375011173 in words is "four hundred forty-two billion, three hundred seventy-five million, eleven thousand, one hundred seventy-three".