19841272103 has 8 divisors (see below), whose sum is σ = 20129955840. Its totient is φ = 19554658200.

The previous prime is 19841272007. The next prime is 19841272111. The reversal of 19841272103 is 30127214891.

It is a happy number.

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 19841272103 - 2²⁶ = 19774163239 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 (19841272123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498143 + ... + 536496.

It is an arithmetic number, because the mean of its divisors is an integer number (2516244480).

Almost surely, 2^19841272103 is an apocalyptic number.

19841272103 is a deficient number, since it is larger than the sum of its proper divisors (288683737).

19841272103 is a wasteful number, since it uses less digits than its factorization.

19841272103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034917.

The product of its (nonzero) digits is 24192, while the sum is 38.

Adding to 19841272103 its reverse (30127214891), we get a palindrome (49968486994).

The spelling of 19841272103 in words is "nineteen billion, eight hundred forty-one million, two hundred seventy-two thousand, one hundred three".