16719431223743 has 4 divisors (see below), whose sum is σ = 16719439813248. Its totient is φ = 16719422634240.

The previous prime is 16719431223731. The next prime is 16719431223749. The reversal of 16719431223743 is 34732213491761.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16719431223743 - 2⁶ = 16719431223679 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 (16719431223749) 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, 177023 + ... + 5785343.

It is an arithmetic number, because the mean of its divisors is an integer number (4179859953312).

Almost surely, 2^{16719431223743} is an apocalyptic number.

16719431223743 is a deficient number, since it is larger than the sum of its proper divisors (8589505).

16719431223743 is an equidigital number, since it uses as much as digits as its factorization.

16719431223743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589504.

The product of its digits is 4572288, while the sum is 53.

The spelling of 16719431223743 in words is "sixteen trillion, seven hundred nineteen billion, four hundred thirty-one million, two hundred twenty-three thousand, seven hundred forty-three".