609864912 has 60 divisors (see below), whose sum is σ = 1710891364. Its totient is φ = 202798080.

The previous prime is 609864901. The next prime is 609864977. The reversal of 609864912 is 219468906.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 155151936 + 454712976 = 12456^2 + 21324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57462 + ... + 67242.

Almost surely, 2^609864912 is an apocalyptic number.

It is an amenable number.

609864912 is an abundant number, since it is smaller than the sum of its proper divisors (1101026452).

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

609864912 is a wasteful number, since it uses less digits than its factorization.

609864912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228 (or 10219 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 609864912 is about 24695.4431424099. The cubic root of 609864912 is about 848.0299992354.

The spelling of 609864912 in words is "six hundred nine million, eight hundred sixty-four thousand, nine hundred twelve".