6504540641530 has 16 divisors (see below), whose sum is σ = 11780002440864. Its totient is φ = 2585854193040.

The previous prime is 6504540641497. The next prime is 6504540641539. The reversal of 6504540641530 is 351460454056.

It is not an unprimeable number, because it can be changed into a prime (6504540641539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995256236 + ... + 1995259495.

It is an arithmetic number, because the mean of its divisors is an integer number (736250152554).

Almost surely, 2^{6504540641530} is an apocalyptic number.

6504540641530 is a deficient number, since it is larger than the sum of its proper divisors (5275461799334).

6504540641530 is a wasteful number, since it uses less digits than its factorization.

6504540641530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3990515901.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 6504540641530 in words is "six trillion, five hundred four billion, five hundred forty million, six hundred forty-one thousand, five hundred thirty".