6544361330 has 64 divisors (see below), whose sum is σ = 13784601600. Its totient is φ = 2215330560.

The previous prime is 6544361309. The next prime is 6544361333. The reversal of 6544361330 is 331634456.

It is not an unprimeable number, because it can be changed into a prime (6544361333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33836 + ... + 119304.

It is an arithmetic number, because the mean of its divisors is an integer number (215384400).

Almost surely, 2^6544361330 is an apocalyptic number.

6544361330 is an abundant number, since it is smaller than the sum of its proper divisors (7240240270).

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

6544361330 is a wasteful number, since it uses less digits than its factorization.

6544361330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85539.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 6544361330 is about 80897.2269611264. The cubic root of 6544361330 is about 1870.4915757998.

Adding to 6544361330 its reverse (331634456), we get a palindrome (6875995786).

The spelling of 6544361330 in words is "six billion, five hundred forty-four million, three hundred sixty-one thousand, three hundred thirty".