6845669707843 has 2 divisors, whose sum is σ = 6845669707844. Its totient is φ = 6845669707842.

The previous prime is 6845669707837. The next prime is 6845669707861. The reversal of 6845669707843 is 3487079665486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6845669707843 - 2¹³ = 6845669699651 is a prime.

It is not a weakly prime, because it can be changed into another prime (6845669707823) 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 as a sum of consecutive naturals, namely, 3422834853921 + 3422834853922.

It is an arithmetic number, because the mean of its divisors is an integer number (3422834853922).

Almost surely, 2^{6845669707843} is an apocalyptic number.

6845669707843 is a deficient number, since it is larger than the sum of its proper divisors (1).

6845669707843 is an equidigital number, since it uses as much as digits as its factorization.

6845669707843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1463132160, while the sum is 73.

The spelling of 6845669707843 in words is "six trillion, eight hundred forty-five billion, six hundred sixty-nine million, seven hundred seven thousand, eight hundred forty-three".