199141027903 has 4 divisors (see below), whose sum is σ = 207799333488. Its totient is φ = 190482722320.

The previous prime is 199141027873. The next prime is 199141027931. The reversal of 199141027903 is 309720141991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199141027903 - 2²¹ = 199138930751 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 (199141027993) 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, 4329152758 + ... + 4329152803.

It is an arithmetic number, because the mean of its divisors is an integer number (51949833372).

Almost surely, 2^199141027903 is an apocalyptic number.

199141027903 is a deficient number, since it is larger than the sum of its proper divisors (8658305585).

199141027903 is an equidigital number, since it uses as much as digits as its factorization.

199141027903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658305584.

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 199141027903 in words is "one hundred ninety-nine billion, one hundred forty-one million, twenty-seven thousand, nine hundred three".