442705518601 has 4 divisors (see below), whose sum is σ = 445264510212. Its totient is φ = 440146526992.

The previous prime is 442705518559. The next prime is 442705518613. The reversal of 442705518601 is 106815507244.

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 386820558601 + 55884960000 = 621949^2 + 236400^2 .

It is a cyclic number.

It is not a de Polignac number, because 442705518601 - 2⁹ = 442705518089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442705518691) 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, 1279495546 + ... + 1279495891.

It is an arithmetic number, because the mean of its divisors is an integer number (111316127553).

Almost surely, 2^442705518601 is an apocalyptic number.

It is an amenable number.

442705518601 is a deficient number, since it is larger than the sum of its proper divisors (2558991611).

442705518601 is a wasteful number, since it uses less digits than its factorization.

442705518601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558991610.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 442705518601 in words is "four hundred forty-two billion, seven hundred five million, five hundred eighteen thousand, six hundred one".