13989637269 has 12 divisors (see below), whose sum is σ = 20233817292. Its totient is φ = 9314164800.

The previous prime is 13989637253. The next prime is 13989637307. The reversal of 13989637269 is 96273698931.

13989637269 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 2 ways, for example, as 698544900 + 13291092369 = 26430^2 + 115287^2 .

It is not a de Polignac number, because 13989637269 - 2⁴ = 13989637253 is a prime.

It is a super-2 number, since 2×13989637269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13989637219) 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 11 ways as a sum of consecutive naturals, for example, 1014442 + ... + 1028139.

It is an arithmetic number, because the mean of its divisors is an integer number (1686151441).

Almost surely, 2^13989637269 is an apocalyptic number.

It is an amenable number.

13989637269 is a deficient number, since it is larger than the sum of its proper divisors (6244180023).

13989637269 is a wasteful number, since it uses less digits than its factorization.

13989637269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043348 (or 2043345 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 63.

The spelling of 13989637269 in words is "thirteen billion, nine hundred eighty-nine million, six hundred thirty-seven thousand, two hundred sixty-nine".