609885211 has 16 divisors (see below), whose sum is σ = 675675616. Its totient is φ = 546932736.

The previous prime is 609885173. The next prime is 609885253. The reversal of 609885211 is 112588906.

It is a cyclic number.

It is not a de Polignac number, because 609885211 - 2¹¹ = 609883163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (609885271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105061 + ... + 110713.

It is an arithmetic number, because the mean of its divisors is an integer number (42229726).

Almost surely, 2^609885211 is an apocalyptic number.

609885211 is a deficient number, since it is larger than the sum of its proper divisors (65790405).

609885211 is a wasteful number, since it uses less digits than its factorization.

609885211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5902.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 609885211 is about 24695.8541257435. The cubic root of 609885211 is about 848.0394078599.

The spelling of 609885211 in words is "six hundred nine million, eight hundred eighty-five thousand, two hundred eleven".