19428205133 has 8 divisors (see below), whose sum is σ = 20274701568. Its totient is φ = 18581858064.

The previous prime is 19428205129. The next prime is 19428205169. The reversal of 19428205133 is 33150282491.

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 19428205133 - 2² = 19428205129 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 (19428205333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289391 + ... + 350147.

It is an arithmetic number, because the mean of its divisors is an integer number (2534337696).

Almost surely, 2^19428205133 is an apocalyptic number.

It is an amenable number.

19428205133 is a deficient number, since it is larger than the sum of its proper divisors (846496435).

19428205133 is a wasteful number, since it uses less digits than its factorization.

19428205133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74683.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 19428205133 in words is "nineteen billion, four hundred twenty-eight million, two hundred five thousand, one hundred thirty-three".