199255829509 has 8 divisors (see below), whose sum is σ = 221471317152. Its totient is φ = 177723895440.

The previous prime is 199255829501. The next prime is 199255829519. The reversal of 199255829509 is 905928552991.

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

It is a cyclic number.

It is not a de Polignac number, because 199255829509 - 2³ = 199255829501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199255829501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170887779 + ... + 170888944.

It is an arithmetic number, because the mean of its divisors is an integer number (27683914644).

Almost surely, 2^199255829509 is an apocalyptic number.

It is an amenable number.

199255829509 is a deficient number, since it is larger than the sum of its proper divisors (22215487643).

199255829509 is a wasteful number, since it uses less digits than its factorization.

199255829509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341776787.

The product of its (nonzero) digits is 26244000, while the sum is 64.

The spelling of 199255829509 in words is "one hundred ninety-nine billion, two hundred fifty-five million, eight hundred twenty-nine thousand, five hundred nine".