16719983289 has 12 divisors (see below), whose sum is σ = 24390207972. Its totient is φ = 11036292000.

The previous prime is 16719983257. The next prime is 16719983323. The reversal of 16719983289 is 98238991761.

16719983289 is a `hidden beast` number, since 167 + 199 + 8 + 3 + 289 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16413453225 + 306530064 = 128115^2 + 17508^2 .

It is not a de Polignac number, because 16719983289 - 2⁵ = 16719983257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16719983219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9196002 + ... + 9197819.

It is an arithmetic number, because the mean of its divisors is an integer number (2032517331).

Almost surely, 2^16719983289 is an apocalyptic number.

It is an amenable number.

16719983289 is a deficient number, since it is larger than the sum of its proper divisors (7670224683).

16719983289 is a wasteful number, since it uses less digits than its factorization.

16719983289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393928 (or 18393925 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 16719983289 in words is "sixteen billion, seven hundred nineteen million, nine hundred eighty-three thousand, two hundred eighty-nine".