19848367853484 has 12 divisors (see below), whose sum is σ = 46312858324824. Its totient is φ = 6616122617824.

The previous prime is 19848367853473. The next prime is 19848367853593. The reversal of 19848367853484 is 48435876384891.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827015327217 + ... + 827015327240.

It is an arithmetic number, because the mean of its divisors is an integer number (3859404860402).

Almost surely, 2^{19848367853484} is an apocalyptic number.

It is an amenable number.

19848367853484 is an abundant number, since it is smaller than the sum of its proper divisors (26464490471340).

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

19848367853484 is a wasteful number, since it uses less digits than its factorization.

19848367853484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654030654464 (or 1654030654462 counting only the distinct ones).

The product of its digits is 4459069440, while the sum is 78.

The spelling of 19848367853484 in words is "nineteen trillion, eight hundred forty-eight billion, three hundred sixty-seven million, eight hundred fifty-three thousand, four hundred eighty-four".