6505065974750 has 32 divisors (see below), whose sum is σ = 13917124009152. Its totient is φ = 2230308333600.

The previous prime is 6505065974749. The next prime is 6505065974767. The reversal of 6505065974750 is 574795605056.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6505065974750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1858588529 + ... + 1858592028.

It is an arithmetic number, because the mean of its divisors is an integer number (434910125286).

Almost surely, 2^{6505065974750} is an apocalyptic number.

6505065974750 is an abundant number, since it is smaller than the sum of its proper divisors (7412058034402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6505065974750 is a wasteful number, since it uses less digits than its factorization.

6505065974750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717180581 (or 3717180571 counting only the distinct ones).

The product of its (nonzero) digits is 39690000, while the sum is 59.

The spelling of 6505065974750 in words is "six trillion, five hundred five billion, sixty-five million, nine hundred seventy-four thousand, seven hundred fifty".