16989473089 has 16 divisors (see below), whose sum is σ = 18610237440. Its totient is φ = 15459990480.

The previous prime is 16989473077. The next prime is 16989473093. The reversal of 16989473089 is 98037498961.

16989473089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16989473089 - 2¹⁷ = 16989342017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16989473089.

It is not an unprimeable number, because it can be changed into a prime (16989473009) 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, 159867 + ... + 244000.

It is an arithmetic number, because the mean of its divisors is an integer number (1163139840).

Almost surely, 2^16989473089 is an apocalyptic number.

It is an amenable number.

16989473089 is a deficient number, since it is larger than the sum of its proper divisors (1620764351).

16989473089 is a wasteful number, since it uses less digits than its factorization.

16989473089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403980.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 16989473089 in words is "sixteen billion, nine hundred eighty-nine million, four hundred seventy-three thousand, eighty-nine".