13414214521 has 4 divisors (see below), whose sum is σ = 13414457344. Its totient is φ = 13413971700.

The previous prime is 13414214503. The next prime is 13414214533. The reversal of 13414214521 is 12541241431.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12541241431 = 2069 ⋅6061499.

It is a cyclic number.

It is not a de Polignac number, because 13414214521 - 2¹⁹ = 13413690233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13414214521.

It is not an unprimeable number, because it can be changed into a prime (13414214501) 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, 6076 + ... + 163906.

It is an arithmetic number, because the mean of its divisors is an integer number (3353614336).

Almost surely, 2^13414214521 is an apocalyptic number.

It is an amenable number.

13414214521 is a deficient number, since it is larger than the sum of its proper divisors (242823).

13414214521 is an equidigital number, since it uses as much as digits as its factorization.

13414214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242822.

The product of its digits is 3840, while the sum is 28.

Adding to 13414214521 its reverse (12541241431), we get a palindrome (25955455952).

The spelling of 13414214521 in words is "thirteen billion, four hundred fourteen million, two hundred fourteen thousand, five hundred twenty-one".