19849103 has 2 divisors, whose sum is σ = 19849104. Its totient is φ = 19849102.

The previous prime is 19849073. The next prime is 19849111. The reversal of 19849103 is 30194891.

It is a strong prime.

It is an emirp because it is prime and its reverse (30194891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19849103 - 2¹⁰ = 19848079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19849133) 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 as a sum of consecutive naturals, namely, 9924551 + 9924552.

It is an arithmetic number, because the mean of its divisors is an integer number (9924552).

Almost surely, 2^19849103 is an apocalyptic number.

19849103 is a deficient number, since it is larger than the sum of its proper divisors (1).

19849103 is an equidigital number, since it uses as much as digits as its factorization.

19849103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 19849103 is about 4455.2332149956. The cubic root of 19849103 is about 270.7573751063.

The spelling of 19849103 in words is "nineteen million, eight hundred forty-nine thousand, one hundred three".