442217855071 has 4 divisors (see below), whose sum is σ = 442219185072. Its totient is φ = 442216525072.

The previous prime is 442217855041. The next prime is 442217855137. The reversal of 442217855071 is 170558712244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442217855071 - 2¹³ = 442217846879 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 (442217855021) 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, 328491 + ... + 996163.

It is an arithmetic number, because the mean of its divisors is an integer number (110554796268).

Almost surely, 2^442217855071 is an apocalyptic number.

442217855071 is a deficient number, since it is larger than the sum of its proper divisors (1330001).

442217855071 is an equidigital number, since it uses as much as digits as its factorization.

442217855071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330000.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 442217855071 in words is "four hundred forty-two billion, two hundred seventeen million, eight hundred fifty-five thousand, seventy-one".