19483257684672 has 168 divisors, whose sum is σ = 56767245857712. Its totient is φ = 6387499008000.

The previous prime is 19483257684659. The next prime is 19483257684673. The reversal of 19483257684672 is 27648675238491.

19483257684672 is a `hidden beast` number, since 1 + 9 + 4 + 8 + 3 + 2 + 576 + 8 + 46 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 19483257684672.

It is not an unprimeable number, because it can be changed into a prime (19483257684673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24343672 + ... + 25131272.

Almost surely, 2^{19483257684672} is an apocalyptic number.

19483257684672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19483257684672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28383622928856).

19483257684672 is an abundant number, since it is smaller than the sum of its proper divisors (37283988173040).

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

19483257684672 is a wasteful number, since it uses less digits than its factorization.

19483257684672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788327 (or 788314 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 72.

The spelling of 19483257684672 in words is "nineteen trillion, four hundred eighty-three billion, two hundred fifty-seven million, six hundred eighty-four thousand, six hundred seventy-two".