6504045289 has 8 divisors (see below), whose sum is σ = 7444179648. Its totient is φ = 5566657200.

The previous prime is 6504045277. The next prime is 6504045311. The reversal of 6504045289 is 9825404056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6504045289 - 2¹⁵ = 6504012521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504045089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681487 + ... + 690964.

It is an arithmetic number, because the mean of its divisors is an integer number (930522456).

Almost surely, 2^6504045289 is an apocalyptic number.

It is an amenable number.

6504045289 is a deficient number, since it is larger than the sum of its proper divisors (940134359).

6504045289 is a wasteful number, since it uses less digits than its factorization.

6504045289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373135.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 6504045289 is about 80647.6613982079. The cubic root of 6504045289 is about 1866.6426541802.

The spelling of 6504045289 in words is "six billion, five hundred four million, forty-five thousand, two hundred eighty-nine".