19183912036 has 27 divisors (see below), whose sum is σ = 35106613843. Its totient is φ = 9171867320.

The previous prime is 19183911983. The next prime is 19183912057. The reversal of 19183912036 is 63021938191.

The square root of 19183912036 is 138506.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19183911983 and 19183912001.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 6369771 + ... + 6372781.

Almost surely, 2^19183912036 is an apocalyptic number.

19183912036 is the 138506-th square number.

It is an amenable number.

19183912036 is a deficient number, since it is larger than the sum of its proper divisors (15922701807).

19183912036 is an frugal number, since it uses more digits than its factorization.

19183912036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6072 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 19183912036 in words is "nineteen billion, one hundred eighty-three million, nine hundred twelve thousand, thirty-six".