817382244612 has 24 divisors (see below), whose sum is σ = 1907706121216. Its totient is φ = 272392050528.

The previous prime is 817382244529. The next prime is 817382244631. The reversal of 817382244612 is 216442283718.

It is a super-2 number, since 2×817382244612² (a number of 25 digits) contains 22 as substring.

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, 8537623 + ... + 8632830.

Almost surely, 2^817382244612 is an apocalyptic number.

It is an amenable number.

817382244612 is an abundant number, since it is smaller than the sum of its proper divisors (1090323876604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

817382244612 is a wasteful number, since it uses less digits than its factorization.

817382244612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174427 (or 17174425 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The spelling of 817382244612 in words is "eight hundred seventeen billion, three hundred eighty-two million, two hundred forty-four thousand, six hundred twelve".