6866742143 has 2 divisors, whose sum is σ = 6866742144. Its totient is φ = 6866742142.

The previous prime is 6866742107. The next prime is 6866742151. The reversal of 6866742143 is 3412476686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6866742143 - 2¹⁴ = 6866725759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6866712143) 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, 3433371071 + 3433371072.

It is an arithmetic number, because the mean of its divisors is an integer number (3433371072).

Almost surely, 2^6866742143 is an apocalyptic number.

6866742143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866742143 is an equidigital number, since it uses as much as digits as its factorization.

6866742143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 47.

The square root of 6866742143 is about 82865.8080452969. The cubic root of 6866742143 is about 1900.7146105103.

The spelling of 6866742143 in words is "six billion, eight hundred sixty-six million, seven hundred forty-two thousand, one hundred forty-three".