609920318 has 16 divisors (see below), whose sum is σ = 1045905504. Its totient is φ = 261312480.

The previous prime is 609920303. The next prime is 609920357. The reversal of 609920318 is 813029906.

609920318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×609920318² = 744005588618442248, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 5.

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, 66788 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (65369094).

Almost surely, 2^609920318 is an apocalyptic number.

609920318 is a deficient number, since it is larger than the sum of its proper divisors (435985186).

609920318 is a wasteful number, since it uses less digits than its factorization.

609920318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13667.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 609920318 is about 24696.5649028362. The cubic root of 609920318 is about 848.0556795275.

The spelling of 609920318 in words is "six hundred nine million, nine hundred twenty thousand, three hundred eighteen".