442931034881 has 4 divisors (see below), whose sum is σ = 443035775700. Its totient is φ = 442826294064.

The previous prime is 442931034857. The next prime is 442931034899. The reversal of 442931034881 is 188430139244.

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 275289102400 + 167641932481 = 524680^2 + 409441^2 .

It is a cyclic number.

It is not a de Polignac number, because 442931034881 - 2²⁶ = 442863926017 is a prime.

It is a super-2 number, since 2×442931034881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442931034781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52364066 + ... + 52372523.

It is an arithmetic number, because the mean of its divisors is an integer number (110758943925).

Almost surely, 2^442931034881 is an apocalyptic number.

It is an amenable number.

442931034881 is a deficient number, since it is larger than the sum of its proper divisors (104740819).

442931034881 is a wasteful number, since it uses less digits than its factorization.

442931034881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104740818.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 442931034881 in words is "four hundred forty-two billion, nine hundred thirty-one million, thirty-four thousand, eight hundred eighty-one".