19198794332 has 12 divisors (see below), whose sum is σ = 33608866200. Its totient is φ = 9596261136.

The previous prime is 19198794319. The next prime is 19198794341. The reversal of 19198794332 is 23349789191.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 770207 + ... + 794742.

It is an arithmetic number, because the mean of its divisors is an integer number (2800738850).

Almost surely, 2^19198794332 is an apocalyptic number.

It is an amenable number.

19198794332 is a deficient number, since it is larger than the sum of its proper divisors (14410071868).

19198794332 is a wasteful number, since it uses less digits than its factorization.

19198794332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568020 (or 1568018 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The spelling of 19198794332 in words is "nineteen billion, one hundred ninety-eight million, seven hundred ninety-four thousand, three hundred thirty-two".