13649011269 has 16 divisors (see below), whose sum is σ = 18839406720. Its totient is φ = 8779417920.

The previous prime is 13649011267. The next prime is 13649011273. The reversal of 13649011269 is 96211094631.

It is not a de Polignac number, because 13649011269 - 2¹ = 13649011267 is a prime.

It is a super-2 number, since 2×13649011269² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13649011269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649011267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71679 + ... + 180099.

It is an arithmetic number, because the mean of its divisors is an integer number (1177462920).

Almost surely, 2^13649011269 is an apocalyptic number.

It is an amenable number.

13649011269 is a deficient number, since it is larger than the sum of its proper divisors (5190395451).

13649011269 is a wasteful number, since it uses less digits than its factorization.

13649011269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109900.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 13649011269 in words is "thirteen billion, six hundred forty-nine million, eleven thousand, two hundred sixty-nine".