71384303821771 has 2 divisors, whose sum is σ = 71384303821772. Its totient is φ = 71384303821770.

The previous prime is 71384303821763. The next prime is 71384303821843. The reversal of 71384303821771 is 17712830348317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71384303821771 - 2³ = 71384303821763 is a prime.

It is not a weakly prime, because it can be changed into another prime (71384303921771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35692151910885 + 35692151910886.

It is an arithmetic number, because the mean of its divisors is an integer number (35692151910886).

Almost surely, 2^{71384303821771} is an apocalyptic number.

71384303821771 is a deficient number, since it is larger than the sum of its proper divisors (1).

71384303821771 is an equidigital number, since it uses as much as digits as its factorization.

71384303821771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4741632, while the sum is 55.

The spelling of 71384303821771 in words is "seventy-one trillion, three hundred eighty-four billion, three hundred three million, eight hundred twenty-one thousand, seven hundred seventy-one".