6504420875 has 16 divisors (see below), whose sum is σ = 8397436320. Its totient is φ = 5024101600.

The previous prime is 6504420833. The next prime is 6504420877. The reversal of 6504420875 is 5780244056.

It is not a de Polignac number, because 6504420875 - 2⁸ = 6504420619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6504420877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893537 + ... + 900786.

It is an arithmetic number, because the mean of its divisors is an integer number (524839770).

Almost surely, 2^6504420875 is an apocalyptic number.

6504420875 is a deficient number, since it is larger than the sum of its proper divisors (1893015445).

6504420875 is a wasteful number, since it uses less digits than its factorization.

6504420875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794367 (or 1794357 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 6504420875 is about 80649.9899256038. The cubic root of 6504420875 is about 1866.6785841962.

The spelling of 6504420875 in words is "six billion, five hundred four million, four hundred twenty thousand, eight hundred seventy-five".