4431401412443 has 4 divisors (see below), whose sum is σ = 4534457259288. Its totient is φ = 4328345565600.

The previous prime is 4431401412379. The next prime is 4431401412461. The reversal of 4431401412443 is 3442141041344.

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

It is not a de Polignac number, because 4431401412443 - 2⁶ = 4431401412379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431401412043) 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, 51527923358 + ... + 51527923443.

It is an arithmetic number, because the mean of its divisors is an integer number (1133614314822).

Almost surely, 2^{4431401412443} is an apocalyptic number.

4431401412443 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4431401412443 is a deficient number, since it is larger than the sum of its proper divisors (103055846845).

4431401412443 is a wasteful number, since it uses less digits than its factorization.

4431401412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103055846844.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 4431401412443 its reverse (3442141041344), we get a palindrome (7873542453787).

The spelling of 4431401412443 in words is "four trillion, four hundred thirty-one billion, four hundred one million, four hundred twelve thousand, four hundred forty-three".