516789329 has 6 divisors (see below), whose sum is σ = 601163154. Its totient is φ = 442962240.

The previous prime is 516789311. The next prime is 516789373. The reversal of 516789329 is 923987615.

It can be written as a sum of positive squares in only one way, i.e., 374345104 + 142444225 = 19348^2 + 11935^2 .

It is not a de Polignac number, because 516789329 - 2¹² = 516785233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516789929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5273312 + ... + 5273409.

It is an arithmetic number, because the mean of its divisors is an integer number (100193859).

Almost surely, 2^516789329 is an apocalyptic number.

It is an amenable number.

516789329 is a deficient number, since it is larger than the sum of its proper divisors (84373825).

516789329 is a wasteful number, since it uses less digits than its factorization.

516789329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546735 (or 10546728 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 516789329 is about 22733.0008797783. Note that the first 3 decimals coincide. The cubic root of 516789329 is about 802.4867045542.

The spelling of 516789329 in words is "five hundred sixteen million, seven hundred eighty-nine thousand, three hundred twenty-nine".