13544535549 has 16 divisors (see below), whose sum is σ = 18434918592. Its totient is φ = 8843480448.

The previous prime is 13544535547. The next prime is 13544535553. The reversal of 13544535549 is 94553544531.

It is not a de Polignac number, because 13544535549 - 2¹ = 13544535547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13544535498 and 13544535507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544535547) 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, 159984 + ... + 229529.

It is an arithmetic number, because the mean of its divisors is an integer number (1152182412).

Almost surely, 2^13544535549 is an apocalyptic number.

It is an amenable number.

13544535549 is a deficient number, since it is larger than the sum of its proper divisors (4890383043).

13544535549 is a wasteful number, since it uses less digits than its factorization.

13544535549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389756.

The product of its digits is 3240000, while the sum is 48.

The spelling of 13544535549 in words is "thirteen billion, five hundred forty-four million, five hundred thirty-five thousand, five hundred forty-nine".