6532921396980 has 960 divisors, whose sum is σ = 24545718489600. Its totient is φ = 1435820359680.

The previous prime is 6532921396979. The next prime is 6532921396987. The reversal of 6532921396980 is 896931292356.

6532921396980 is a `hidden beast` number, since 6 + 5 + 329 + 213 + 9 + 6 + 98 + 0 = 666.

It is a super-2 number, since 2×6532921396980² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6532921396987) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 6755864457 + ... + 6755865423.

It is an arithmetic number, because the mean of its divisors is an integer number (25568456760).

Almost surely, 2^{6532921396980} is an apocalyptic number.

6532921396980 is a gapful number since it is divisible by the number (60) 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 6532921396980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12272859244800).

6532921396980 is an abundant number, since it is smaller than the sum of its proper divisors (18012797092620).

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

6532921396980 is a wasteful number, since it uses less digits than its factorization.

6532921396980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 6532921396980 in words is "six trillion, five hundred thirty-two billion, nine hundred twenty-one million, three hundred ninety-six thousand, nine hundred eighty".