19503828108 has 48 divisors (see below), whose sum is σ = 50706432000. Its totient is φ = 6483153744.

The previous prime is 19503828089. The next prime is 19503828131. The reversal of 19503828108 is 80182830591.

It is a happy number.

19503828108 is a `hidden beast` number, since 19 + 503 + 8 + 28 + 108 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 212748 + ... + 290291.

It is an arithmetic number, because the mean of its divisors is an integer number (1056384000).

Almost surely, 2^19503828108 is an apocalyptic number.

19503828108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19503828108 is an abundant number, since it is smaller than the sum of its proper divisors (31202603892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19503828108 is a wasteful number, since it uses less digits than its factorization.

19503828108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503411 (or 503403 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 19503828108 in words is "nineteen billion, five hundred three million, eight hundred twenty-eight thousand, one hundred eight".