19329613924452 has 96 divisors (see below), whose sum is σ = 50268530188800. Its totient is φ = 5739994670592.

The previous prime is 19329613924337. The next prime is 19329613924471. The reversal of 19329613924452 is 25442931692391.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9520693 + ... + 11371139.

It is an arithmetic number, because the mean of its divisors is an integer number (523630522800).

Almost surely, 2^{19329613924452} is an apocalyptic number.

19329613924452 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 19329613924452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25134265094400).

19329613924452 is an abundant number, since it is smaller than the sum of its proper divisors (30938916264348).

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

19329613924452 is a wasteful number, since it uses less digits than its factorization.

19329613924452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852805 (or 1852803 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 60.

The spelling of 19329613924452 in words is "nineteen trillion, three hundred twenty-nine billion, six hundred thirteen million, nine hundred twenty-four thousand, four hundred fifty-two".