6505312495 has 16 divisors (see below), whose sum is σ = 8517737088. Its totient is φ = 4730196640.

The previous prime is 6505312477. The next prime is 6505312507. The reversal of 6505312495 is 5942135056.

It is not a de Polignac number, because 6505312495 - 2⁷ = 6505312367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393792 + ... + 409978.

It is an arithmetic number, because the mean of its divisors is an integer number (532358568).

Almost surely, 2^6505312495 is an apocalyptic number.

6505312495 is a deficient number, since it is larger than the sum of its proper divisors (2012424593).

6505312495 is a wasteful number, since it uses less digits than its factorization.

6505312495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23510.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 6505312495 is about 80655.5174492111. The cubic root of 6505312495 is about 1866.7638744906.

The spelling of 6505312495 in words is "six billion, five hundred five million, three hundred twelve thousand, four hundred ninety-five".