19319533924836 has 12 divisors (see below), whose sum is σ = 45078912491312. Its totient is φ = 6439844641608.

The previous prime is 19319533924811. The next prime is 19319533924853. The reversal of 19319533924836 is 63842933591391.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804980580190 + ... + 804980580213.

Almost surely, 2^{19319533924836} is an apocalyptic number.

It is an amenable number.

19319533924836 is an abundant number, since it is smaller than the sum of its proper divisors (25759378566476).

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

19319533924836 is a wasteful number, since it uses less digits than its factorization.

19319533924836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609961160410 (or 1609961160408 counting only the distinct ones).

The product of its digits is 113374080, while the sum is 66.

The spelling of 19319533924836 in words is "nineteen trillion, three hundred nineteen billion, five hundred thirty-three million, nine hundred twenty-four thousand, eight hundred thirty-six".