5691867864439 has 2 divisors, whose sum is σ = 5691867864440. Its totient is φ = 5691867864438.

The previous prime is 5691867864383. The next prime is 5691867864467. The reversal of 5691867864439 is 9344687681965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5691867864439 - 2¹⁹ = 5691867340151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5691867864139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2845933932219 + 2845933932220.

It is an arithmetic number, because the mean of its divisors is an integer number (2845933932220).

Almost surely, 2^{5691867864439} is an apocalyptic number.

5691867864439 is a deficient number, since it is larger than the sum of its proper divisors (1).

5691867864439 is an equidigital number, since it uses as much as digits as its factorization.

5691867864439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881169920, while the sum is 76.

The spelling of 5691867864439 in words is "five trillion, six hundred ninety-one billion, eight hundred sixty-seven million, eight hundred sixty-four thousand, four hundred thirty-nine".