591421680992 has 48 divisors (see below), whose sum is σ = 1185975302400. Its totient is φ = 290237512320.

The previous prime is 591421680991. The next prime is 591421681007. The reversal of 591421680992 is 299086124195.

591421680992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (591421680991) 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, 943109 + ... + 1439547.

It is an arithmetic number, because the mean of its divisors is an integer number (24707818800).

Almost surely, 2^591421680992 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 591421680992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592987651200).

591421680992 is an abundant number, since it is smaller than the sum of its proper divisors (594553621408).

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

591421680992 is a wasteful number, since it uses less digits than its factorization.

591421680992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497139 (or 497131 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 591421680992 in words is "five hundred ninety-one billion, four hundred twenty-one million, six hundred eighty thousand, nine hundred ninety-two".