19873573048 has 32 divisors (see below), whose sum is σ = 42609807360. Its totient is φ = 8512529760.

The previous prime is 19873573007. The next prime is 19873573079. The reversal of 19873573048 is 84037537891.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19873573048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4753 + ... + 199423.

It is an arithmetic number, because the mean of its divisors is an integer number (1331556480).

Almost surely, 2^19873573048 is an apocalyptic number.

It is an amenable number.

19873573048 is an abundant number, since it is smaller than the sum of its proper divisors (22736234312).

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

19873573048 is a wasteful number, since it uses less digits than its factorization.

19873573048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196507 (or 196503 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 19873573048 in words is "nineteen billion, eight hundred seventy-three million, five hundred seventy-three thousand, forty-eight".