13771534489 has 2 divisors, whose sum is σ = 13771534490. Its totient is φ = 13771534488.

The previous prime is 13771534453. The next prime is 13771534537. The reversal of 13771534489 is 98443517731.

It is a happy number.

13771534489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8281910025 + 5489624464 = 91005^2 + 74092^2 .

It is a cyclic number.

It is not a de Polignac number, because 13771534489 - 2¹³ = 13771526297 is a prime.

It is a super-2 number, since 2×13771534489² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13771534289) 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 as a sum of consecutive naturals, namely, 6885767244 + 6885767245.

It is an arithmetic number, because the mean of its divisors is an integer number (6885767245).

Almost surely, 2^13771534489 is an apocalyptic number.

It is an amenable number.

13771534489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13771534489 is an equidigital number, since it uses as much as digits as its factorization.

13771534489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The spelling of 13771534489 in words is "thirteen billion, seven hundred seventy-one million, five hundred thirty-four thousand, four hundred eighty-nine".