199350944635 has 16 divisors (see below), whose sum is σ = 253703555136. Its totient is φ = 149856222208.

The previous prime is 199350944633. The next prime is 199350944651. The reversal of 199350944635 is 536449053991.

It is a cyclic number.

It is not a de Polignac number, because 199350944635 - 2¹ = 199350944633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199350944635.

It is not an unprimeable number, because it can be changed into a prime (199350944633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848127 + ... + 1953016.

It is an arithmetic number, because the mean of its divisors is an integer number (15856472196).

Almost surely, 2^199350944635 is an apocalyptic number.

199350944635 is a deficient number, since it is larger than the sum of its proper divisors (54352610501).

199350944635 is a wasteful number, since it uses less digits than its factorization.

199350944635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801782.

The product of its (nonzero) digits is 15746400, while the sum is 58.

The spelling of 199350944635 in words is "one hundred ninety-nine billion, three hundred fifty million, nine hundred forty-four thousand, six hundred thirty-five".