16944143469 has 16 divisors (see below), whose sum is σ = 24648314880. Its totient is φ = 10268224560.

The previous prime is 16944143453. The next prime is 16944143471. The reversal of 16944143469 is 96434144961.

It is not a de Polignac number, because 16944143469 - 2⁴ = 16944143453 is a prime.

It is a super-2 number, since 2×16944143469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944143429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527142 + ... + 558360.

It is an arithmetic number, because the mean of its divisors is an integer number (1540519680).

Almost surely, 2^16944143469 is an apocalyptic number.

It is an amenable number.

16944143469 is a deficient number, since it is larger than the sum of its proper divisors (7704171411).

16944143469 is a wasteful number, since it uses less digits than its factorization.

16944143469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47680.

The product of its digits is 2239488, while the sum is 51.

The spelling of 16944143469 in words is "sixteen billion, nine hundred forty-four million, one hundred forty-three thousand, four hundred sixty-nine".