2683686861847 has 2 divisors, whose sum is σ = 2683686861848. Its totient is φ = 2683686861846.

The previous prime is 2683686861733. The next prime is 2683686861883. The reversal of 2683686861847 is 7481686863862.

2683686861847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2683686861847 - 2¹⁹ = 2683686337559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2683686861847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2683686861547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341843430923 + 1341843430924.

It is an arithmetic number, because the mean of its divisors is an integer number (1341843430924).

Almost surely, 2^{2683686861847} is an apocalyptic number.

2683686861847 is a deficient number, since it is larger than the sum of its proper divisors (1).

2683686861847 is an equidigital number, since it uses as much as digits as its factorization.

2683686861847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 891813888, while the sum is 73.

The spelling of 2683686861847 in words is "two trillion, six hundred eighty-three billion, six hundred eighty-six million, eight hundred sixty-one thousand, eight hundred forty-seven".