6509795445964 has 24 divisors (see below), whose sum is σ = 11412303250320. Its totient is φ = 3249141784896.

The previous prime is 6509795445949. The next prime is 6509795445971. The reversal of 6509795445964 is 4695445979056.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 5368014 + ... + 6468010.

It is an arithmetic number, because the mean of its divisors is an integer number (475512635430).

Almost surely, 2^{6509795445964} is an apocalyptic number.

It is an amenable number.

6509795445964 is a deficient number, since it is larger than the sum of its proper divisors (4902507804356).

6509795445964 is a wasteful number, since it uses less digits than its factorization.

6509795445964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102617 (or 1102615 counting only the distinct ones).

The product of its (nonzero) digits is 1469664000, while the sum is 73.

The spelling of 6509795445964 in words is "six trillion, five hundred nine billion, seven hundred ninety-five million, four hundred forty-five thousand, nine hundred sixty-four".