6504119561 has 8 divisors (see below), whose sum is σ = 6914963520. Its totient is φ = 6103946992.

The previous prime is 6504119551. The next prime is 6504119639. The reversal of 6504119561 is 1659114056.

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 6504119561 - 2⁶ = 6504119497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6504119551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2666591 + ... + 2669028.

It is an arithmetic number, because the mean of its divisors is an integer number (864370440).

Almost surely, 2^6504119561 is an apocalyptic number.

It is an amenable number.

6504119561 is a deficient number, since it is larger than the sum of its proper divisors (410843959).

6504119561 is a wasteful number, since it uses less digits than its factorization.

6504119561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335695.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 6504119561 is about 80648.1218690181. The cubic root of 6504119561 is about 1866.6497594380.

The spelling of 6504119561 in words is "six billion, five hundred four million, one hundred nineteen thousand, five hundred sixty-one".