19828536385 has 8 divisors (see below), whose sum is σ = 27193421376. Its totient is φ = 13596710640.

The previous prime is 19828536383. The next prime is 19828536389. The reversal of 19828536385 is 58363582891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19828536385 - 2¹ = 19828536383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19828536383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283264771 + ... + 283264840.

It is an arithmetic number, because the mean of its divisors is an integer number (3399177672).

Almost surely, 2^19828536385 is an apocalyptic number.

It is an amenable number.

19828536385 is a deficient number, since it is larger than the sum of its proper divisors (7364884991).

19828536385 is an equidigital number, since it uses as much as digits as its factorization.

19828536385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566529623.

The product of its digits is 12441600, while the sum is 58.

The spelling of 19828536385 in words is "nineteen billion, eight hundred twenty-eight million, five hundred thirty-six thousand, three hundred eighty-five".