13232344504421 has 6 divisors (see below), whose sum is σ = 15392727280710. Its totient is φ = 11342009575176.

The previous prime is 13232344504381. The next prime is 13232344504429. The reversal of 13232344504421 is 12440544323231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8400432722500 + 4831911781921 = 2898350^2 + 2198161^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13232344504421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232344504429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135023923466 + ... + 135023923563.

It is an arithmetic number, because the mean of its divisors is an integer number (2565454546785).

Almost surely, 2^{13232344504421} is an apocalyptic number.

It is an amenable number.

13232344504421 is a deficient number, since it is larger than the sum of its proper divisors (2160382776289).

13232344504421 is an equidigital number, since it uses as much as digits as its factorization.

13232344504421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270047847043 (or 270047847036 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 13232344504421 its reverse (12440544323231), we get a palindrome (25672888827652).

The spelling of 13232344504421 in words is "thirteen trillion, two hundred thirty-two billion, three hundred forty-four million, five hundred four thousand, four hundred twenty-one".