509089066 has 8 divisors (see below), whose sum is σ = 763765380. Its totient is φ = 254500608.

The previous prime is 509089043. The next prime is 509089081. The reversal of 509089066 is 660980905.

It can be written as a sum of positive squares in 2 ways, for example, as 506925225 + 2163841 = 22515^2 + 1471^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 4791 + ... + 32266.

Almost surely, 2^509089066 is an apocalyptic number.

509089066 is a deficient number, since it is larger than the sum of its proper divisors (254676314).

509089066 is a wasteful number, since it uses less digits than its factorization.

509089066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43928.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 509089066 is about 22563.0021495367. The cubic root of 509089066 is about 798.4810061894.

The spelling of 509089066 in words is "five hundred nine million, eighty-nine thousand, sixty-six".