4771223281969 has 9 divisors (see below), whose sum is σ = 5068432344577. Its totient is φ = 4490528139904.

The previous prime is 4771223281963. The next prime is 4771223281987. The reversal of 4771223281969 is 9691823221774.

The square root of 4771223281969 is 2184313.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 271258680625 + 4499964601344 = 520825^2 + 2121312^2 .

It is not a de Polignac number, because 4771223281969 - 2²⁵ = 4771189727537 is a prime.

It is a super-2 number, since 2×4771223281969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4771223281963) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37069077 + ... + 37197565.

Almost surely, 2^{4771223281969} is an apocalyptic number.

4771223281969 is the 2184313-rd square number.

4771223281969 is the 1092157-th centered octagonal number.

It is an amenable number.

4771223281969 is a deficient number, since it is larger than the sum of its proper divisors (297209062608).

4771223281969 is an frugal number, since it uses more digits than its factorization.

4771223281969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257012 (or 128506 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 61.

The spelling of 4771223281969 in words is "four trillion, seven hundred seventy-one billion, two hundred twenty-three million, two hundred eighty-one thousand, nine hundred sixty-nine".