13444432343319 has 4 divisors (see below), whose sum is σ = 17925909791096. Its totient is φ = 8962954895544.

The previous prime is 13444432343317. The next prime is 13444432343351. The reversal of 13444432343319 is 91334323444431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13444432343319 - 2¹ = 13444432343317 is a prime.

It is a super-2 number, since 2×13444432343319² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444432343317) 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, 2240738723884 + ... + 2240738723889.

It is an arithmetic number, because the mean of its divisors is an integer number (4481477447774).

Almost surely, 2^{13444432343319} is an apocalyptic number.

13444432343319 is a deficient number, since it is larger than the sum of its proper divisors (4481477447777).

13444432343319 is an equidigital number, since it uses as much as digits as its factorization.

13444432343319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481477447776.

The product of its digits is 4478976, while the sum is 48.

The spelling of 13444432343319 in words is "thirteen trillion, four hundred forty-four billion, four hundred thirty-two million, three hundred forty-three thousand, three hundred nineteen".