13527811749 has 4 divisors (see below), whose sum is σ = 18037082336. Its totient is φ = 9018541164.

The previous prime is 13527811733. The next prime is 13527811751. The reversal of 13527811749 is 94711872531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13527811749 - 2⁴ = 13527811733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13527811698 and 13527811707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13527811709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254635289 + ... + 2254635294.

It is an arithmetic number, because the mean of its divisors is an integer number (4509270584).

Almost surely, 2^13527811749 is an apocalyptic number.

It is an amenable number.

13527811749 is a deficient number, since it is larger than the sum of its proper divisors (4509270587).

13527811749 is an equidigital number, since it uses as much as digits as its factorization.

13527811749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509270586.

The product of its digits is 423360, while the sum is 48.

The spelling of 13527811749 in words is "thirteen billion, five hundred twenty-seven million, eight hundred eleven thousand, seven hundred forty-nine".