9992529558221 has 8 divisors (see below), whose sum is σ = 11521096027584. Its totient is φ = 8489228650560.

The previous prime is 9992529558199. The next prime is 9992529558229. The reversal of 9992529558221 is 1228559252999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-9992529558221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9992529558229) 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, 6316389575 + ... + 6316391156.

It is an arithmetic number, because the mean of its divisors is an integer number (1440137003448).

Almost surely, 2^{9992529558221} is an apocalyptic number.

It is an amenable number.

9992529558221 is a deficient number, since it is larger than the sum of its proper divisors (1528566469363).

9992529558221 is a wasteful number, since it uses less digits than its factorization.

9992529558221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12632780851.

The product of its digits is 104976000, while the sum is 68.

The spelling of 9992529558221 in words is "nine trillion, nine hundred ninety-two billion, five hundred twenty-nine million, five hundred fifty-eight thousand, two hundred twenty-one".