6545434633122 has 256 divisors, whose sum is σ = 17303567892480. Its totient is φ = 1599078412800.

The previous prime is 6545434633117. The next prime is 6545434633151. The reversal of 6545434633122 is 2213364345456.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1890103563 + ... + 1890107025.

It is an arithmetic number, because the mean of its divisors is an integer number (67592062080).

Almost surely, 2^{6545434633122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6545434633122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8651783946240).

6545434633122 is an abundant number, since it is smaller than the sum of its proper divisors (10758133259358).

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

6545434633122 is a wasteful number, since it uses less digits than its factorization.

6545434633122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989.

The product of its digits is 6220800, while the sum is 48.

Adding to 6545434633122 its reverse (2213364345456), we get a palindrome (8758798978578).

The spelling of 6545434633122 in words is "six trillion, five hundred forty-five billion, four hundred thirty-four million, six hundred thirty-three thousand, one hundred twenty-two".