199309465338 has 8 divisors (see below), whose sum is σ = 398618930688. Its totient is φ = 66436488444.

The previous prime is 199309465309. The next prime is 199309465373. The reversal of 199309465338 is 833564903991.

It is a sphenic number, since it is the product of 3 distinct primes.

199309465338 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16609122106 + ... + 16609122117.

It is an arithmetic number, because the mean of its divisors is an integer number (49827366336).

Almost surely, 2^199309465338 is an apocalyptic number.

199309465338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199309465338 is a wasteful number, since it uses less digits than its factorization.

199309465338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33218244228.

The product of its (nonzero) digits is 18895680, while the sum is 60.

The spelling of 199309465338 in words is "one hundred ninety-nine billion, three hundred nine million, four hundred sixty-five thousand, three hundred thirty-eight".