19033381636 has 24 divisors (see below), whose sum is σ = 34761827520. Its totient is φ = 9101555232.

The previous prime is 19033381547. The next prime is 19033381637. The reversal of 19033381636 is 63618333091.

It is a junction number, because it is equal to n+sod(n) for n = 19033381592 and 19033381601.

It is not an unprimeable number, because it can be changed into a prime (19033381637) 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, 879595 + ... + 900973.

It is an arithmetic number, because the mean of its divisors is an integer number (1448409480).

Almost surely, 2^19033381636 is an apocalyptic number.

It is an amenable number.

19033381636 is a deficient number, since it is larger than the sum of its proper divisors (15728445884).

19033381636 is a wasteful number, since it uses less digits than its factorization.

19033381636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31083 (or 31081 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 19033381636 in words is "nineteen billion, thirty-three million, three hundred eighty-one thousand, six hundred thirty-six".