4216602541609 has 2 divisors, whose sum is σ = 4216602541610. Its totient is φ = 4216602541608.

The previous prime is 4216602541607. The next prime is 4216602541639. The reversal of 4216602541609 is 9061452066124.

4216602541609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4093629585984 + 122972955625 = 2023272^2 + 350675^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216602541609 - 2¹ = 4216602541607 is a prime.

Together with 4216602541607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4216602541603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2108301270804 + 2108301270805.

It is an arithmetic number, because the mean of its divisors is an integer number (2108301270805).

Almost surely, 2^{4216602541609} is an apocalyptic number.

It is an amenable number.

4216602541609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4216602541609 is an equidigital number, since it uses as much as digits as its factorization.

4216602541609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 4216602541609 in words is "four trillion, two hundred sixteen billion, six hundred two million, five hundred forty-one thousand, six hundred nine".