6505504655 has 8 divisors (see below), whose sum is σ = 8407113792. Its totient is φ = 4804064928.

The previous prime is 6505504633. The next prime is 6505504673. The reversal of 6505504655 is 5564055056.

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

It is not a de Polignac number, because 6505504655 - 2⁶ = 6505504591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 50042279 + ... + 50042408.

It is an arithmetic number, because the mean of its divisors is an integer number (1050889224).

Almost surely, 2^6505504655 is an apocalyptic number.

6505504655 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6505504655 is a deficient number, since it is larger than the sum of its proper divisors (1901609137).

6505504655 is a wasteful number, since it uses less digits than its factorization.

6505504655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100084705.

The product of its (nonzero) digits is 450000, while the sum is 41.

The square root of 6505504655 is about 80656.7086794397. The cubic root of 6505504655 is about 1866.7822550483.

The spelling of 6505504655 in words is "six billion, five hundred five million, five hundred four thousand, six hundred fifty-five".