516340545233 has 4 divisors (see below), whose sum is σ = 546713518500. Its totient is φ = 485967571968.

The previous prime is 516340545221. The next prime is 516340545239. The reversal of 516340545233 is 332545043615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332545043615 = 5 ⋅66509008723.

It can be written as a sum of positive squares in 2 ways, for example, as 423198388369 + 93142156864 = 650537^2 + 305192^2 .

It is a cyclic number.

It is not a de Polignac number, because 516340545233 - 2⁸ = 516340544977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516340545239) 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, 15186486608 + ... + 15186486641.

It is an arithmetic number, because the mean of its divisors is an integer number (136678379625).

Almost surely, 2^516340545233 is an apocalyptic number.

It is an amenable number.

516340545233 is a deficient number, since it is larger than the sum of its proper divisors (30372973267).

516340545233 is a wasteful number, since it uses less digits than its factorization.

516340545233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372973266.

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 516340545233 its reverse (332545043615), we get a palindrome (848885588848).

The spelling of 516340545233 in words is "five hundred sixteen billion, three hundred forty million, five hundred forty-five thousand, two hundred thirty-three".