609653312 has 56 divisors (see below), whose sum is σ = 1280769600. Its totient is φ = 287433216.

The previous prime is 609653311. The next prime is 609653353. The reversal of 609653312 is 213356906.

It is not an unprimeable number, because it can be changed into a prime (609653311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75989 + ... + 83627.

Almost surely, 2^609653312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609653312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640384800).

609653312 is an abundant number, since it is smaller than the sum of its proper divisors (671116288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609653312 is a wasteful number, since it uses less digits than its factorization.

609653312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7713 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 609653312 is about 24691.1585795402. The cubic root of 609653312 is about 847.9319098052.

The spelling of 609653312 in words is "six hundred nine million, six hundred fifty-three thousand, three hundred twelve".