19993000612 has 24 divisors (see below), whose sum is σ = 37684769472. Its totient is φ = 9226154400.

The previous prime is 19993000597. The next prime is 19993000679. The reversal of 19993000612 is 21600039991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374937 + ... + 424927.

It is an arithmetic number, because the mean of its divisors is an integer number (1570198728).

Almost surely, 2^19993000612 is an apocalyptic number.

It is an amenable number.

19993000612 is a deficient number, since it is larger than the sum of its proper divisors (17691768860).

19993000612 is a wasteful number, since it uses less digits than its factorization.

19993000612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57699 (or 57697 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 19993000612 in words is "nineteen billion, nine hundred ninety-three million, six hundred twelve", and thus it is an aban number.