13489841669 has 2 divisors, whose sum is σ = 13489841670. Its totient is φ = 13489841668.

The previous prime is 13489841663. The next prime is 13489841693. The reversal of 13489841669 is 96614898431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12290604769 + 1199236900 = 110863^2 + 34630^2 .

It is a cyclic number.

It is not a de Polignac number, because 13489841669 - 2⁸ = 13489841413 is a prime.

It is a super-2 number, since 2×13489841669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13489841663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744920834 + 6744920835.

It is an arithmetic number, because the mean of its divisors is an integer number (6744920835).

Almost surely, 2^13489841669 is an apocalyptic number.

It is an amenable number.

13489841669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13489841669 is an equidigital number, since it uses as much as digits as its factorization.

13489841669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 59.

The spelling of 13489841669 in words is "thirteen billion, four hundred eighty-nine million, eight hundred forty-one thousand, six hundred sixty-nine".