199384961899876 has 9 divisors (see below), whose sum is σ = 348923732746099. Its totient is φ = 99692466829564.

The previous prime is 199384961899829. The next prime is 199384961899943. The reversal of 199384961899876 is 678998169483991.

The square root of 199384961899876 is 14120374.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24710655 + ... + 31770841.

Almost surely, 2^{199384961899876} is an apocalyptic number.

199384961899876 is the 14120374-th square number.

It is an amenable number.

199384961899876 is a deficient number, since it is larger than the sum of its proper divisors (149538770846223).

199384961899876 is an frugal number, since it uses more digits than its factorization.

199384961899876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14120378 (or 7060189 counting only the distinct ones).

The product of its digits is 91424858112, while the sum is 97.

The spelling of 199384961899876 in words is "one hundred ninety-nine trillion, three hundred eighty-four billion, nine hundred sixty-one million, eight hundred ninety-nine thousand, eight hundred seventy-six".