517992438616 has 32 divisors (see below), whose sum is σ = 1028944585440. Its totient is φ = 243624319488.

The previous prime is 517992438589. The next prime is 517992438631. The reversal of 517992438616 is 616834299715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825591 + ... + 1310566.

It is an arithmetic number, because the mean of its divisors is an integer number (32154518295).

Almost surely, 2^517992438616 is an apocalyptic number.

It is an amenable number.

517992438616 is a deficient number, since it is larger than the sum of its proper divisors (510952146824).

517992438616 is a wasteful number, since it uses less digits than its factorization.

517992438616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137963 (or 2137959 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 61.

The spelling of 517992438616 in words is "five hundred seventeen billion, nine hundred ninety-two million, four hundred thirty-eight thousand, six hundred sixteen".