6505207995 has 96 divisors (see below), whose sum is σ = 12455009280. Its totient is φ = 2873594880.

The previous prime is 6505207987. The next prime is 6505208023. The reversal of 6505207995 is 5997025056.

It is a happy number.

It is not a de Polignac number, because 6505207995 - 2³ = 6505207987 is a prime.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 2201439 + ... + 2204391.

It is an arithmetic number, because the mean of its divisors is an integer number (129739680).

Almost surely, 2^6505207995 is an apocalyptic number.

6505207995 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6505207995 is a deficient number, since it is larger than the sum of its proper divisors (5949801285).

6505207995 is a wasteful number, since it uses less digits than its factorization.

6505207995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 48.

The square root of 6505207995 is about 80654.8696297998. The cubic root of 6505207995 is about 1866.7538786670.

The spelling of 6505207995 in words is "six billion, five hundred five million, two hundred seven thousand, nine hundred ninety-five".