16844462769 has 4 divisors (see below), whose sum is σ = 22459283696. Its totient is φ = 11229641844.

The previous prime is 16844462743. The next prime is 16844462773. The reversal of 16844462769 is 96726444861.

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 not a de Polignac number, because 16844462769 - 2¹⁹ = 16843938481 is a prime.

It is a super-2 number, since 2×16844462769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16844462779) 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, 2807410459 + ... + 2807410464.

It is an arithmetic number, because the mean of its divisors is an integer number (5614820924).

Almost surely, 2^16844462769 is an apocalyptic number.

It is an amenable number.

16844462769 is a deficient number, since it is larger than the sum of its proper divisors (5614820927).

16844462769 is an equidigital number, since it uses as much as digits as its factorization.

16844462769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614820926.

The product of its digits is 13934592, while the sum is 57.

The spelling of 16844462769 in words is "sixteen billion, eight hundred forty-four million, four hundred sixty-two thousand, seven hundred sixty-nine".