5228269744681 has 9 divisors (see below), whose sum is σ = 5259063547621. Its totient is φ = 5197655247232.

The previous prime is 5228269744657. The next prime is 5228269744699. The reversal of 5228269744681 is 1864479628225.

The square root of 5228269744681 is 2286541.

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

5228269744681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 737006797081 + 4491262947600 = 858491^2 + 2119260^2 .

It is not a de Polignac number, because 5228269744681 - 2³³ = 5219679810089 is a prime.

It is a super-2 number, since 2×5228269744681² (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 (5228269744601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 395564985 + ... + 395578201.

Almost surely, 2^{5228269744681} is an apocalyptic number.

5228269744681 is the 2286541-st square number.

5228269744681 is the 1143271-st centered octagonal number.

It is an amenable number.

5228269744681 is a deficient number, since it is larger than the sum of its proper divisors (30793802940).

5228269744681 is an frugal number, since it uses more digits than its factorization.

5228269744681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780 (or 13390 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

Multiplying 5228269744681 by its sum of digits (64), we get a square (334609263659584 = 18292328²).

The spelling of 5228269744681 in words is "five trillion, two hundred twenty-eight billion, two hundred sixty-nine million, seven hundred forty-four thousand, six hundred eighty-one".