13324777489 has 9 divisors (see below), whose sum is σ = 13486574577. Its totient is φ = 13164902784.

The previous prime is 13324777481. The next prime is 13324777547. The reversal of 13324777489 is 98477742331.

The square root of 13324777489 is 115433.

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

13324777489 is digitally balanced in base 2, 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 2002115025 + 11322662464 = 44745^2 + 106408^2 .

It is not a de Polignac number, because 13324777489 - 2³ = 13324777481 is a prime.

It is a super-2 number, since 2×13324777489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13324777481) 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, 10272889 + ... + 10274185.

Almost surely, 2^13324777489 is an apocalyptic number.

13324777489 is the 115433-rd square number.

13324777489 is the 57717-th centered octagonal number.

It is an amenable number.

13324777489 is a deficient number, since it is larger than the sum of its proper divisors (161797088).

13324777489 is an frugal number, since it uses more digits than its factorization.

13324777489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772 (or 1386 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 55.

The spelling of 13324777489 in words is "thirteen billion, three hundred twenty-four million, seven hundred seventy-seven thousand, four hundred eighty-nine".