13132433243421 has 32 divisors (see below), whose sum is σ = 19589524531200. Its totient is φ = 8694802675440.

The previous prime is 13132433243401. The next prime is 13132433243521. The reversal of 13132433243421 is 12434233423131.

13132433243421 is a `hidden beast` number, since 1 + 3 + 1 + 324 + 3 + 324 + 3 + 4 + 2 + 1 = 666.

13132433243421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13132433243421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132433243401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192460 + ... + 5128538.

It is an arithmetic number, because the mean of its divisors is an integer number (612172641600).

Almost surely, 2^{13132433243421} is an apocalyptic number.

It is an amenable number.

13132433243421 is a deficient number, since it is larger than the sum of its proper divisors (6457091287779).

13132433243421 is a wasteful number, since it uses less digits than its factorization.

13132433243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936766 (or 4936760 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 13132433243421 its reverse (12434233423131), we get a palindrome (25566666666552).

The spelling of 13132433243421 in words is "thirteen trillion, one hundred thirty-two billion, four hundred thirty-three million, two hundred forty-three thousand, four hundred twenty-one".