516329989 has 8 divisors (see below), whose sum is σ = 590229248. Its totient is φ = 442465200.

The previous prime is 516329953. The next prime is 516329993. The reversal of 516329989 is 989923615.

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 516329989 - 2⁹ = 516329477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516329089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 51019 + ... + 60295.

It is an arithmetic number, because the mean of its divisors is an integer number (73778656).

Almost surely, 2^516329989 is an apocalyptic number.

It is an amenable number.

516329989 is a deficient number, since it is larger than the sum of its proper divisors (73899259).

516329989 is an equidigital number, since it uses as much as digits as its factorization.

516329989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235.

The product of its digits is 1049760, while the sum is 52.

The square root of 516329989 is about 22722.8957001523. The cubic root of 516329989 is about 802.2488748826.

The spelling of 516329989 in words is "five hundred sixteen million, three hundred twenty-nine thousand, nine hundred eighty-nine".