13221344195 has 16 divisors (see below), whose sum is σ = 16035382272. Its totient is φ = 10464098400.

The previous prime is 13221344179. The next prime is 13221344231. The reversal of 13221344195 is 59144312231.

It is a happy number.

It is not a de Polignac number, because 13221344195 - 2⁴ = 13221344179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535370 + ... + 559520.

It is an arithmetic number, because the mean of its divisors is an integer number (1002211392).

Almost surely, 2^13221344195 is an apocalyptic number.

13221344195 is a deficient number, since it is larger than the sum of its proper divisors (2814038077).

13221344195 is a wasteful number, since it uses less digits than its factorization.

13221344195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25322.

The product of its digits is 25920, while the sum is 35.

The spelling of 13221344195 in words is "thirteen billion, two hundred twenty-one million, three hundred forty-four thousand, one hundred ninety-five".