19683504064 has 56 divisors (see below), whose sum is σ = 46079387648. Its totient is φ = 8163659520.

The previous prime is 19683504059. The next prime is 19683504091. The reversal of 19683504064 is 46040538691.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 694764 + ... + 722539.

It is an arithmetic number, because the mean of its divisors is an integer number (822846208).

Almost surely, 2^19683504064 is an apocalyptic number.

19683504064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19683504064 is an abundant number, since it is smaller than the sum of its proper divisors (26395883584).

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

19683504064 is a wasteful number, since it uses less digits than its factorization.

19683504064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417353 (or 1417343 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 19683504064 in words is "nineteen billion, six hundred eighty-three million, five hundred four thousand, sixty-four".