19428454195199 has 8 divisors (see below), whose sum is σ = 22804054345248. Its totient is φ = 16202880718560.

The previous prime is 19428454195133. The next prime is 19428454195237. The reversal of 19428454195199 is 99159145482491.

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 19428454195199 - 2⁸ = 19428454194943 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 (19428454195399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37506668072 + ... + 37506668589.

It is an arithmetic number, because the mean of its divisors is an integer number (2850506793156).

Almost surely, 2^{19428454195199} is an apocalyptic number.

19428454195199 is a deficient number, since it is larger than the sum of its proper divisors (3375600150049).

19428454195199 is an equidigital number, since it uses as much as digits as its factorization.

19428454195199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75013336705.

The product of its digits is 167961600, while the sum is 71.

The spelling of 19428454195199 in words is "nineteen trillion, four hundred twenty-eight billion, four hundred fifty-four million, one hundred ninety-five thousand, one hundred ninety-nine".