6348771116609 has 16 divisors (see below), whose sum is σ = 6536618694720. Its totient is φ = 6161782777920.

The previous prime is 6348771116593. The next prime is 6348771116621. The reversal of 6348771116609 is 9066111778436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6348771116609 - 2⁴ = 6348771116593 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6348771116629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 171001322 + ... + 171038444.

It is an arithmetic number, because the mean of its divisors is an integer number (408538668420).

Almost surely, 2^{6348771116609} is an apocalyptic number.

It is an amenable number.

6348771116609 is a deficient number, since it is larger than the sum of its proper divisors (187847578111).

6348771116609 is a wasteful number, since it uses less digits than its factorization.

6348771116609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48560.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 6348771116609 in words is "six trillion, three hundred forty-eight billion, seven hundred seventy-one million, one hundred sixteen thousand, six hundred nine".