19493273932 has 48 divisors (see below), whose sum is σ = 37500621984. Its totient is φ = 8792640000.

The previous prime is 19493273909. The next prime is 19493273957. The reversal of 19493273932 is 23937239491.

It is a self number, because there is not a number n which added to its sum of digits gives 19493273932.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572682 + ... + 4576942.

It is an arithmetic number, because the mean of its divisors is an integer number (781262958).

Almost surely, 2^19493273932 is an apocalyptic number.

It is an amenable number.

19493273932 is a deficient number, since it is larger than the sum of its proper divisors (18007348052).

19493273932 is a wasteful number, since it uses less digits than its factorization.

19493273932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5048 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 52.

The spelling of 19493273932 in words is "nineteen billion, four hundred ninety-three million, two hundred seventy-three thousand, nine hundred thirty-two".