199549029341 has 4 divisors (see below), whose sum is σ = 199814741184. Its totient is φ = 199283317500.

The previous prime is 199549029313. The next prime is 199549029371. The reversal of 199549029341 is 143920945991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199549029341 is a prime.

It is a super-2 number, since 2×199549029341² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199549029371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132854795 + ... + 132856296.

It is an arithmetic number, because the mean of its divisors is an integer number (49953685296).

Almost surely, 2^199549029341 is an apocalyptic number.

It is an amenable number.

199549029341 is a deficient number, since it is larger than the sum of its proper divisors (265711843).

199549029341 is an equidigital number, since it uses as much as digits as its factorization.

199549029341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265711842.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 199549029341 in words is "one hundred ninety-nine billion, five hundred forty-nine million, twenty-nine thousand, three hundred forty-one".