16471044949 has 16 divisors (see below), whose sum is σ = 18249265008. Its totient is φ = 14798564352.

The previous prime is 16471044917. The next prime is 16471044959. The reversal of 16471044949 is 94944017461.

It is a happy number.

16471044949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8095500625 + 8375544324 = 89975^2 + 91518^2 .

It is a cyclic number.

It is not a de Polignac number, because 16471044949 - 2⁵ = 16471044917 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 (16471044959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213702 + ... + 280375.

It is an arithmetic number, because the mean of its divisors is an integer number (1140579063).

Almost surely, 2^16471044949 is an apocalyptic number.

It is an amenable number.

16471044949 is a deficient number, since it is larger than the sum of its proper divisors (1778220059).

16471044949 is a wasteful number, since it uses less digits than its factorization.

16471044949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494184.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 16471044949 in words is "sixteen billion, four hundred seventy-one million, forty-four thousand, nine hundred forty-nine".