516408856289 has 8 divisors (see below), whose sum is σ = 534312255360. Its totient is φ = 498511870416.

The previous prime is 516408856247. The next prime is 516408856303. The reversal of 516408856289 is 982658804615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516408856289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516408856189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439177 + ... + 1761830.

It is an arithmetic number, because the mean of its divisors is an integer number (66789031920).

Almost surely, 2^516408856289 is an apocalyptic number.

It is an amenable number.

516408856289 is a deficient number, since it is larger than the sum of its proper divisors (17903399071).

516408856289 is a wasteful number, since it uses less digits than its factorization.

516408856289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206599.

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 516408856289 in words is "five hundred sixteen billion, four hundred eight million, eight hundred fifty-six thousand, two hundred eighty-nine".