19428193983 has 8 divisors (see below), whose sum is σ = 28259191296. Its totient is φ = 11774663000.

The previous prime is 19428193979. The next prime is 19428193987. The reversal of 19428193983 is 38939182491.

It is an interprime number because it is at equal distance from previous prime (19428193979) and next prime (19428193987).

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 19428193983 - 2² = 19428193979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19428193987) 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, 294366543 + ... + 294366608.

It is an arithmetic number, because the mean of its divisors is an integer number (3532398912).

Almost surely, 2^19428193983 is an apocalyptic number.

19428193983 is a deficient number, since it is larger than the sum of its proper divisors (8830997313).

19428193983 is a wasteful number, since it uses less digits than its factorization.

19428193983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588733165.

The product of its digits is 3359232, while the sum is 57.

The spelling of 19428193983 in words is "nineteen billion, four hundred twenty-eight million, one hundred ninety-three thousand, nine hundred eighty-three".