19103043405 has 16 divisors (see below), whose sum is σ = 30770006400. Its totient is φ = 10119910848.

The previous prime is 19103043383. The next prime is 19103043409. The reversal of 19103043405 is 50434030191.

It is not a de Polignac number, because 19103043405 - 2¹⁷ = 19102912333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19103043409) 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 15 ways as a sum of consecutive naturals, for example, 4271377 + ... + 4275846.

It is an arithmetic number, because the mean of its divisors is an integer number (1923125400).

Almost surely, 2^19103043405 is an apocalyptic number.

19103043405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19103043405 is a deficient number, since it is larger than the sum of its proper divisors (11666962995).

19103043405 is a wasteful number, since it uses less digits than its factorization.

19103043405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547380.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 19103043405 its reverse (50434030191), we get a palindrome (69537073596).

The spelling of 19103043405 in words is "nineteen billion, one hundred three million, forty-three thousand, four hundred five".