609494717 has 16 divisors (see below), whose sum is σ = 670064640. Its totient is φ = 550996992.

The previous prime is 609494713. The next prime is 609494719. The reversal of 609494717 is 717494906.

It is a happy number.

It is not a de Polignac number, because 609494717 - 2² = 609494713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609494713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128093 + ... + 132765.

It is an arithmetic number, because the mean of its divisors is an integer number (41879040).

Almost surely, 2^609494717 is an apocalyptic number.

It is an amenable number.

609494717 is a deficient number, since it is larger than the sum of its proper divisors (60569923).

609494717 is a wasteful number, since it uses less digits than its factorization.

609494717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 609494717 is about 24687.9467959569. The cubic root of 609494717 is about 847.8583765247.

The spelling of 609494717 in words is "six hundred nine million, four hundred ninety-four thousand, seven hundred seventeen".