609693685 has 8 divisors (see below), whose sum is σ = 741937536. Its totient is φ = 480884880.

The previous prime is 609693631. The next prime is 609693691. The reversal of 609693685 is 586396906.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609693685 - 2²⁹ = 72822773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 858369 + ... + 859078.

It is an arithmetic number, because the mean of its divisors is an integer number (92742192).

Almost surely, 2^609693685 is an apocalyptic number.

It is an amenable number.

609693685 is a deficient number, since it is larger than the sum of its proper divisors (132243851).

609693685 is a wasteful number, since it uses less digits than its factorization.

609693685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717523.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 609693685 is about 24691.9761258592. The cubic root of 609693685 is about 847.9506268906.

The spelling of 609693685 in words is "six hundred nine million, six hundred ninety-three thousand, six hundred eighty-five".