516989300833 has 4 divisors (see below), whose sum is σ = 519208139268. Its totient is φ = 514770462400.

The previous prime is 516989300783. The next prime is 516989300837. The reversal of 516989300833 is 338003989615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 262218757329 + 254770543504 = 512073^2 + 504748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516989300833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516989300837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1109418868 + ... + 1109419333.

It is an arithmetic number, because the mean of its divisors is an integer number (129802034817).

Almost surely, 2^516989300833 is an apocalyptic number.

It is an amenable number.

516989300833 is a deficient number, since it is larger than the sum of its proper divisors (2218838435).

516989300833 is a wasteful number, since it uses less digits than its factorization.

516989300833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218838434.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 516989300833 in words is "five hundred sixteen billion, nine hundred eighty-nine million, three hundred thousand, eight hundred thirty-three".