5771648393447 has 2 divisors, whose sum is σ = 5771648393448. Its totient is φ = 5771648393446.

The previous prime is 5771648393411. The next prime is 5771648393509. The reversal of 5771648393447 is 7443938461775.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5771648393447 - 2¹⁴ = 5771648377063 is a prime.

It is a super-2 number, since 2×5771648393447² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5771648393747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885824196723 + 2885824196724.

It is an arithmetic number, because the mean of its divisors is an integer number (2885824196724).

Almost surely, 2^{5771648393447} is an apocalyptic number.

5771648393447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5771648393447 is an equidigital number, since it uses as much as digits as its factorization.

5771648393447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 426746880, while the sum is 68.

The spelling of 5771648393447 in words is "five trillion, seven hundred seventy-one billion, six hundred forty-eight million, three hundred ninety-three thousand, four hundred forty-seven".