19433591012 has 24 divisors (see below), whose sum is σ = 38379821760. Its totient is φ = 8528848160.

The previous prime is 19433590921. The next prime is 19433591027. The reversal of 19433591012 is 21019533491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613768 + ... + 7616319.

It is an arithmetic number, because the mean of its divisors is an integer number (1599159240).

Almost surely, 2^19433591012 is an apocalyptic number.

It is an amenable number.

19433591012 is a deficient number, since it is larger than the sum of its proper divisors (18946230748).

19433591012 is a wasteful number, since it uses less digits than its factorization.

19433591012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15230131 (or 15230129 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 19433591012 in words is "nineteen billion, four hundred thirty-three million, five hundred ninety-one thousand, twelve".