13524144549 has 16 divisors (see below), whose sum is σ = 18103286592. Its totient is φ = 8980619648.

The previous prime is 13524144533. The next prime is 13524144593. The reversal of 13524144549 is 94544142531.

It is a cyclic number.

It is not a de Polignac number, because 13524144549 - 2⁴ = 13524144533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13524144549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13524144149) 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, 811747 + ... + 828239.

It is an arithmetic number, because the mean of its divisors is an integer number (1131455412).

Almost surely, 2^13524144549 is an apocalyptic number.

It is an amenable number.

13524144549 is a deficient number, since it is larger than the sum of its proper divisors (4579142043).

13524144549 is a wasteful number, since it uses less digits than its factorization.

13524144549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556.

The product of its digits is 345600, while the sum is 42.

The spelling of 13524144549 in words is "thirteen billion, five hundred twenty-four million, one hundred forty-four thousand, five hundred forty-nine".