13243224443444 has 12 divisors (see below), whose sum is σ = 23342374020000. Its totient is φ = 6573974723448.

The previous prime is 13243224443429. The next prime is 13243224443459. The reversal of 13243224443444 is 44434442234231.

It is an interprime number because it is at equal distance from previous prime (13243224443429) and next prime (13243224443459).

It is a super-2 number, since 2×13243224443444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13243224443395 and 13243224443404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11909373944 + ... + 11909375055.

It is an arithmetic number, because the mean of its divisors is an integer number (1945197835000).

Almost surely, 2^{13243224443444} is an apocalyptic number.

It is an amenable number.

13243224443444 is a deficient number, since it is larger than the sum of its proper divisors (10099149576556).

13243224443444 is a wasteful number, since it uses less digits than its factorization.

13243224443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23818749142 (or 23818749140 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 44.

Adding to 13243224443444 its reverse (44434442234231), we get a palindrome (57677666677675).

The spelling of 13243224443444 in words is "thirteen trillion, two hundred forty-three billion, two hundred twenty-four million, four hundred forty-three thousand, four hundred forty-four".