509056659 has 6 divisors (see below), whose sum is σ = 735304076. Its totient is φ = 339371100.

The previous prime is 509056657. The next prime is 509056663. The reversal of 509056659 is 956650905.

It is not a de Polignac number, because 509056659 - 2¹ = 509056657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (509056657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28280917 + ... + 28280934.

Almost surely, 2^509056659 is an apocalyptic number.

509056659 is a deficient number, since it is larger than the sum of its proper divisors (226247417).

509056659 is a wasteful number, since it uses less digits than its factorization.

509056659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56561857 (or 56561854 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 45.

The square root of 509056659 is about 22562.2839934258. The cubic root of 509056659 is about 798.4640629046.

The spelling of 509056659 in words is "five hundred nine million, fifty-six thousand, six hundred fifty-nine".