199342474550 has 12 divisors (see below), whose sum is σ = 370777002756. Its totient is φ = 79736989800.

The previous prime is 199342474523. The next prime is 199342474579. The reversal of 199342474550 is 55474243991.

199342474550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 199342474492 and 199342474501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1993424696 + ... + 1993424795.

It is an arithmetic number, because the mean of its divisors is an integer number (30898083563).

Almost surely, 2^199342474550 is an apocalyptic number.

199342474550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199342474550 is a deficient number, since it is larger than the sum of its proper divisors (171434528206).

199342474550 is a wasteful number, since it uses less digits than its factorization.

199342474550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986849503 (or 3986849498 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 53.

The spelling of 199342474550 in words is "one hundred ninety-nine billion, three hundred forty-two million, four hundred seventy-four thousand, five hundred fifty".