19385228830 has 16 divisors (see below), whose sum is σ = 38065540464. Its totient is φ = 7049174080.

The previous prime is 19385228813. The next prime is 19385228839. The reversal of 19385228830 is 3882258391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19385228839) 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, 88114567 + ... + 88114786.

It is an arithmetic number, because the mean of its divisors is an integer number (2379096279).

Almost surely, 2^19385228830 is an apocalyptic number.

19385228830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19385228830 is a deficient number, since it is larger than the sum of its proper divisors (18680311634).

19385228830 is a wasteful number, since it uses less digits than its factorization.

19385228830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176229371.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 19385228830 in words is "nineteen billion, three hundred eighty-five million, two hundred twenty-eight thousand, eight hundred thirty".