16850441329 has 4 divisors (see below), whose sum is σ = 17431491060. Its totient is φ = 16269391600.

The previous prime is 16850441273. The next prime is 16850441351. The reversal of 16850441329 is 92314405861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92314405861 = 1303 ⋅70847587.

It can be written as a sum of positive squares in 2 ways, for example, as 8028160000 + 8822281329 = 89600^2 + 93927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16850441329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16850441369) 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 3 ways as a sum of consecutive naturals, for example, 290524822 + ... + 290524879.

It is an arithmetic number, because the mean of its divisors is an integer number (4357872765).

Almost surely, 2^16850441329 is an apocalyptic number.

It is an amenable number.

16850441329 is a deficient number, since it is larger than the sum of its proper divisors (581049731).

16850441329 is an equidigital number, since it uses as much as digits as its factorization.

16850441329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581049730.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 16850441329 in words is "sixteen billion, eight hundred fifty million, four hundred forty-one thousand, three hundred twenty-nine".