13204545314421 has 16 divisors (see below), whose sum is σ = 17649599325120. Its totient is φ = 8781261959040.

The previous prime is 13204545314381. The next prime is 13204545314437. The reversal of 13204545314421 is 12441354540231.

13204545314421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13204545314421 - 2¹⁰ = 13204545313397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13204545314421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204545314461) 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, 50939686 + ... + 51198248.

It is an arithmetic number, because the mean of its divisors is an integer number (1103099957820).

Almost surely, 2^{13204545314421} is an apocalyptic number.

It is an amenable number.

13204545314421 is a deficient number, since it is larger than the sum of its proper divisors (4445054010699).

13204545314421 is a wasteful number, since it uses less digits than its factorization.

13204545314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300596.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 13204545314421 its reverse (12441354540231), we get a palindrome (25645899854652).

The spelling of 13204545314421 in words is "thirteen trillion, two hundred four billion, five hundred forty-five million, three hundred fourteen thousand, four hundred twenty-one".