7198488819868 has 24 divisors (see below), whose sum is σ = 12647299165200. Its totient is φ = 3584976826368.

The previous prime is 7198488819857. The next prime is 7198488819883. The reversal of 7198488819868 is 8689188848917.

It is a happy number.

It is a congruent number.

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, 14172243 + ... + 14671381.

It is an arithmetic number, because the mean of its divisors is an integer number (526970798550).

Almost surely, 2^{7198488819868} is an apocalyptic number.

It is an amenable number.

7198488819868 is a deficient number, since it is larger than the sum of its proper divisors (5448810345332).

7198488819868 is a wasteful number, since it uses less digits than its factorization.

7198488819868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513429 (or 513427 counting only the distinct ones).

The product of its digits is 3567255552, while the sum is 85.

The spelling of 7198488819868 in words is "seven trillion, one hundred ninety-eight billion, four hundred eighty-eight million, eight hundred nineteen thousand, eight hundred sixty-eight".