6545421300000 has 1152 divisors, whose sum is σ = 24198011228160. Its totient is φ = 1535385600000.

The previous prime is 6545421299993. The next prime is 6545421300029. The reversal of 6545421300000 is 31245456.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27386699881 + ... + 27386700119.

It is an arithmetic number, because the mean of its divisors is an integer number (21005218080).

Almost surely, 2^{6545421300000} is an apocalyptic number.

6545421300000 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 6545421300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12099005614080).

6545421300000 is an abundant number, since it is smaller than the sum of its proper divisors (17652589928160).

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

6545421300000 is a wasteful number, since it uses less digits than its factorization.

6545421300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 6545421300000 its reverse (31245456), we get a palindrome (6545452545456).

The spelling of 6545421300000 in words is "six trillion, five hundred forty-five billion, four hundred twenty-one million, three hundred thousand".