609419217 has 32 divisors (see below), whose sum is σ = 897047424. Its totient is φ = 364953600.

The previous prime is 609419171. The next prime is 609419221. The reversal of 609419217 is 712914906.

It is not a de Polignac number, because 609419217 - 2⁸ = 609418961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (609419287) 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 in 31 ways as a sum of consecutive naturals, for example, 1534863 + ... + 1535259.

It is an arithmetic number, because the mean of its divisors is an integer number (28032732).

Almost surely, 2^609419217 is an apocalyptic number.

It is an amenable number.

609419217 is a deficient number, since it is larger than the sum of its proper divisors (287628207).

609419217 is a wasteful number, since it uses less digits than its factorization.

609419217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 609419217 is about 24686.4176623503. The cubic root of 609419217 is about 847.8233661306.

The spelling of 609419217 in words is "six hundred nine million, four hundred nineteen thousand, two hundred seventeen".