992219421792 has 48 divisors (see below), whose sum is σ = 2604636905472. Its totient is φ = 330732071040.

The previous prime is 992219421749. The next prime is 992219421793. The reversal of 992219421792 is 297124912299.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992219421793) 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, 5233617 + ... + 5419887.

It is an arithmetic number, because the mean of its divisors is an integer number (54263268864).

Almost surely, 2^992219421792 is an apocalyptic number.

It is an amenable number.

992219421792 is an abundant number, since it is smaller than the sum of its proper divisors (1612417483680).

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

992219421792 is a wasteful number, since it uses less digits than its factorization.

992219421792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241771 (or 241763 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 57.

The spelling of 992219421792 in words is "nine hundred ninety-two billion, two hundred nineteen million, four hundred twenty-one thousand, seven hundred ninety-two".