19873541104 has 10 divisors (see below), whose sum is σ = 38504985920. Its totient is φ = 9936770544.

The previous prime is 19873541087. The next prime is 19873541111. The reversal of 19873541104 is 40114537891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621048144 + ... + 621048175.

It is an arithmetic number, because the mean of its divisors is an integer number (3850498592).

Almost surely, 2^19873541104 is an apocalyptic number.

It is an amenable number.

19873541104 is a deficient number, since it is larger than the sum of its proper divisors (18631444816).

19873541104 is a wasteful number, since it uses less digits than its factorization.

19873541104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242096327 (or 1242096321 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 19873541104 in words is "nineteen billion, eight hundred seventy-three million, five hundred forty-one thousand, one hundred four".