6505943767696 has 30 divisors (see below), whose sum is σ = 12616846392210. Its totient is φ = 3249986148864.

The previous prime is 6505943767649. The next prime is 6505943767711. The reversal of 6505943767696 is 6967673495056.

It can be written as a sum of positive squares in 3 ways, for example, as 6169938052096 + 336005715600 = 2483936^2 + 579660^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18944200 + ... + 19284568.

It is an arithmetic number, because the mean of its divisors is an integer number (420561546407).

Almost surely, 2^{6505943767696} is an apocalyptic number.

It is an amenable number.

6505943767696 is a deficient number, since it is larger than the sum of its proper divisors (6110902624514).

6505943767696 is an equidigital number, since it uses as much as digits as its factorization.

6505943767696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342563 (or 341464 counting only the distinct ones).

The product of its (nonzero) digits is 1543147200, while the sum is 73.

The spelling of 6505943767696 in words is "six trillion, five hundred five billion, nine hundred forty-three million, seven hundred sixty-seven thousand, six hundred ninety-six".