517738282642 has 16 divisors (see below), whose sum is σ = 887603454720. Its totient is φ = 221874807168.

The previous prime is 517738282637. The next prime is 517738282651. The reversal of 517738282642 is 246282837715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836767 + ... + 1317442.

It is an arithmetic number, because the mean of its divisors is an integer number (55475215920).

Almost surely, 2^517738282642 is an apocalyptic number.

517738282642 is a deficient number, since it is larger than the sum of its proper divisors (369865172078).

517738282642 is a wasteful number, since it uses less digits than its factorization.

517738282642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171385.

The product of its digits is 9031680, while the sum is 55.

The spelling of 517738282642 in words is "five hundred seventeen billion, seven hundred thirty-eight million, two hundred eighty-two thousand, six hundred forty-two".