443142003344431 has 4 divisors (see below), whose sum is σ = 443155438844272. Its totient is φ = 443128567844592.

The previous prime is 443142003344429. The next prime is 443142003344489. The reversal of 443142003344431 is 134443300241344.

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

It is a cyclic number.

It is not a de Polignac number, because 443142003344431 - 2¹ = 443142003344429 is a prime.

It is a super-2 number, since 2×443142003344431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443142001344431) 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, 6717700446 + ... + 6717766411.

It is an arithmetic number, because the mean of its divisors is an integer number (110788859711068).

Almost surely, 2^{443142003344431} is an apocalyptic number.

443142003344431 is a deficient number, since it is larger than the sum of its proper divisors (13435499841).

443142003344431 is a wasteful number, since it uses less digits than its factorization.

443142003344431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435499840.

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 443142003344431 its reverse (134443300241344), we get a palindrome (577585303585775).

The spelling of 443142003344431 in words is "four hundred forty-three trillion, one hundred forty-two billion, three million, three hundred forty-four thousand, four hundred thirty-one".