19683504036 has 144 divisors (see below), whose sum is σ = 59818207680. Its totient is φ = 5580731520.

The previous prime is 19683504007. The next prime is 19683504047. The reversal of 19683504036 is 63040538691.

19683504036 is a `hidden beast` number, since 196 + 8 + 3 + 50 + 403 + 6 = 666.

It is a super-2 number, since 2×19683504036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19683503982 and 19683504000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 679056 + ... + 707448.

It is an arithmetic number, because the mean of its divisors is an integer number (415404220).

Almost surely, 2^19683504036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19683504036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29909103840).

19683504036 is an abundant number, since it is smaller than the sum of its proper divisors (40134703644).

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

19683504036 is a wasteful number, since it uses less digits than its factorization.

19683504036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28551 (or 28536 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 19683504036 in words is "nineteen billion, six hundred eighty-three million, five hundred four thousand, thirty-six".