504993009 has 8 divisors (see below), whose sum is σ = 674697312. Its totient is φ = 335975360.

The previous prime is 504992993. The next prime is 504993011. The reversal of 504993009 is 900399405.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 504993009 - 2⁴ = 504992993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504993019) 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, 169944 + ... + 172889.

It is an arithmetic number, because the mean of its divisors is an integer number (84337164).

Almost surely, 2^504993009 is an apocalyptic number.

It is an amenable number.

504993009 is a deficient number, since it is larger than the sum of its proper divisors (169704303).

504993009 is a wasteful number, since it uses less digits than its factorization.

504993009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343327.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 504993009 is about 22472.0495059974. The cubic root of 504993009 is about 796.3337494458. Note that the first 3 decimals are identical.

The spelling of 504993009 in words is "five hundred four million, nine hundred ninety-three thousand, nine".