442443213141 has 4 divisors (see below), whose sum is σ = 589924284192. Its totient is φ = 294962142092.

The previous prime is 442443213131. The next prime is 442443213151. The reversal of 442443213141 is 141312344244.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (442443213131) and next prime (442443213151).

It is a cyclic number.

It is not a de Polignac number, because 442443213141 - 2⁶ = 442443213077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443213131) 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, 73740535521 + ... + 73740535526.

It is an arithmetic number, because the mean of its divisors is an integer number (147481071048).

Almost surely, 2^442443213141 is an apocalyptic number.

It is an amenable number.

442443213141 is a deficient number, since it is larger than the sum of its proper divisors (147481071051).

442443213141 is a wasteful number, since it uses less digits than its factorization.

442443213141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147481071050.

The product of its digits is 36864, while the sum is 33.

Adding to 442443213141 its reverse (141312344244), we get a palindrome (583755557385).

The spelling of 442443213141 in words is "four hundred forty-two billion, four hundred forty-three million, two hundred thirteen thousand, one hundred forty-one".