16829089209 has 24 divisors (see below), whose sum is σ = 25369498440. Its totient is φ = 10736635392.

The previous prime is 16829089201. The next prime is 16829089217. The reversal of 16829089209 is 90298092861.

It is an interprime number because it is at equal distance from previous prime (16829089201) and next prime (16829089217).

It can be written as a sum of positive squares in 4 ways, for example, as 13483584 + 16815605625 = 3672^2 + 129675^2 .

It is not a de Polignac number, because 16829089209 - 2³ = 16829089201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16829089201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255814 + ... + 314799.

It is an arithmetic number, because the mean of its divisors is an integer number (1057062435).

Almost surely, 2^16829089209 is an apocalyptic number.

It is an amenable number.

16829089209 is a deficient number, since it is larger than the sum of its proper divisors (8540409231).

16829089209 is a wasteful number, since it uses less digits than its factorization.

16829089209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570761 (or 570758 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 16829089209 in words is "sixteen billion, eight hundred twenty-nine million, eighty-nine thousand, two hundred nine".