14431728728743 has 4 divisors (see below), whose sum is σ = 14448451474368. Its totient is φ = 14415005983120.

The previous prime is 14431728728723. The next prime is 14431728728761. The reversal of 14431728728743 is 34782782713441.

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 14431728728743 - 2¹³ = 14431728720551 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 (14431728728713) 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, 8361371518 + ... + 8361373243.

It is an arithmetic number, because the mean of its divisors is an integer number (3612112868592).

Almost surely, 2^{14431728728743} is an apocalyptic number.

14431728728743 is a deficient number, since it is larger than the sum of its proper divisors (16722745625).

14431728728743 is an equidigital number, since it uses as much as digits as its factorization.

14431728728743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722745624.

The product of its digits is 50577408, while the sum is 61.

The spelling of 14431728728743 in words is "fourteen trillion, four hundred thirty-one billion, seven hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred forty-three".