19873375104 has 64 divisors (see below), whose sum is σ = 57587633280. Its totient is φ = 6022233600.

The previous prime is 19873375103. The next prime is 19873375111. The reversal of 19873375104 is 40157337891.

19873375104 = 8683² + 8684² + ... + 8938².

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19873375103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348212 + ... + 2356659.

It is an arithmetic number, because the mean of its divisors is an integer number (899806770).

Almost surely, 2^19873375104 is an apocalyptic number.

It is an amenable number.

19873375104 is an abundant number, since it is smaller than the sum of its proper divisors (37714258176).

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

19873375104 is a wasteful number, since it uses less digits than its factorization.

19873375104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4704899 (or 4704887 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 19873375104 in words is "nineteen billion, eight hundred seventy-three million, three hundred seventy-five thousand, one hundred four".