6847367993441 has 4 divisors (see below), whose sum is σ = 6849171359892. Its totient is φ = 6845564626992.

The previous prime is 6847367993393. The next prime is 6847367993509. The reversal of 6847367993441 is 1443997637486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3591252403600 + 3256115589841 = 1895060^2 + 1804471^2 .

It is a cyclic number.

It is not a de Polignac number, because 6847367993441 - 2¹⁸ = 6847367731297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6847367993341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 901677530 + ... + 901685123.

It is an arithmetic number, because the mean of its divisors is an integer number (1712292839973).

Almost surely, 2^{6847367993441} is an apocalyptic number.

It is an amenable number.

6847367993441 is a deficient number, since it is larger than the sum of its proper divisors (1803366451).

6847367993441 is a wasteful number, since it uses less digits than its factorization.

6847367993441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803366450.

The product of its digits is 658409472, while the sum is 71.

The spelling of 6847367993441 in words is "six trillion, eight hundred forty-seven billion, three hundred sixty-seven million, nine hundred ninety-three thousand, four hundred forty-one".