13532214521 has 4 divisors (see below), whose sum is σ = 15465388032. Its totient is φ = 11599041012.

The previous prime is 13532214511. The next prime is 13532214539. The reversal of 13532214521 is 12541223531.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13532214521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13532214511) 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, 966586745 + ... + 966586758.

It is an arithmetic number, because the mean of its divisors is an integer number (3866347008).

Almost surely, 2^13532214521 is an apocalyptic number.

It is an amenable number.

13532214521 is a deficient number, since it is larger than the sum of its proper divisors (1933173511).

13532214521 is an equidigital number, since it uses as much as digits as its factorization.

13532214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933173510.

The product of its digits is 7200, while the sum is 29.

The spelling of 13532214521 in words is "thirteen billion, five hundred thirty-two million, two hundred fourteen thousand, five hundred twenty-one".