1992317543424 has 528 divisors, whose sum is σ = 6516702646272. Its totient is φ = 581648449536.

The previous prime is 1992317543357. The next prime is 1992317543431. The reversal of 1992317543424 is 4243457132991.

1992317543424 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 3 + 175 + 43 + 424 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349956322 + ... + 349962014.

Almost surely, 2^{1992317543424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1992317543424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3258351323136).

1992317543424 is an abundant number, since it is smaller than the sum of its proper divisors (4524385102848).

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

1992317543424 is a wasteful number, since it uses less digits than its factorization.

1992317543424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5861 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 1992317543424 in words is "one trillion, nine hundred ninety-two billion, three hundred seventeen million, five hundred forty-three thousand, four hundred twenty-four".