6394869935967 has 16 divisors (see below), whose sum is σ = 9021759983360. Its totient is φ = 4017938452992.

The previous prime is 6394869935957. The next prime is 6394869936019. The reversal of 6394869935967 is 7695399684936.

It is not a de Polignac number, because 6394869935967 - 2¹⁵ = 6394869903199 is a prime.

It is a super-2 number, since 2×6394869935967² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6394869935967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6394869935957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290638483 + ... + 290660484.

It is an arithmetic number, because the mean of its divisors is an integer number (563859998960).

Almost surely, 2^{6394869935967} is an apocalyptic number.

6394869935967 is a deficient number, since it is larger than the sum of its proper divisors (2626890047393).

6394869935967 is a wasteful number, since it uses less digits than its factorization.

6394869935967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581299182.

The product of its digits is 14285134080, while the sum is 84.

The spelling of 6394869935967 in words is "six trillion, three hundred ninety-four billion, eight hundred sixty-nine million, nine hundred thirty-five thousand, nine hundred sixty-seven".