6545242242 has 48 divisors (see below), whose sum is σ = 17680658112. Its totient is φ = 1700062560.

The previous prime is 6545242229. The next prime is 6545242247. The reversal of 6545242242 is 2422425456.

It is a super-2 number, since 2×6545242242² = 85680392012922373128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6545242197 and 6545242206.

It is not an unprimeable number, because it can be changed into a prime (6545242247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2359813 + ... + 2362584.

It is an arithmetic number, because the mean of its divisors is an integer number (368347044).

Almost surely, 2^6545242242 is an apocalyptic number.

6545242242 is an abundant number, since it is smaller than the sum of its proper divisors (11135415870).

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

6545242242 is a wasteful number, since it uses less digits than its factorization.

6545242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722423 (or 4722420 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 6545242242 is about 80902.6714144842. The cubic root of 6545242242 is about 1870.5754986593.

Adding to 6545242242 its reverse (2422425456), we get a palindrome (8967667698).

The spelling of 6545242242 in words is "six billion, five hundred forty-five million, two hundred forty-two thousand, two hundred forty-two".