16434085009 has 2 divisors, whose sum is σ = 16434085010. Its totient is φ = 16434085008.

The previous prime is 16434084991. The next prime is 16434085027. The reversal of 16434085009 is 90058043461.

16434085009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (16434084991) and next prime (16434085027).

It can be written as a sum of positive squares in only one way, i.e., 16263390784 + 170694225 = 127528^2 + 13065^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434085009 - 2⁷ = 16434084881 is a prime.

It is not a weakly prime, because it can be changed into another prime (16434085099) 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 as a sum of consecutive naturals, namely, 8217042504 + 8217042505.

It is an arithmetic number, because the mean of its divisors is an integer number (8217042505).

Almost surely, 2^16434085009 is an apocalyptic number.

It is an amenable number.

16434085009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434085009 is an equidigital number, since it uses as much as digits as its factorization.

16434085009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 16434085009 in words is "sixteen billion, four hundred thirty-four million, eighty-five thousand, nine".