13444336543 has 12 divisors (see below), whose sum is σ = 14813323704. Its totient is φ = 12101012000.

The previous prime is 13444336537. The next prime is 13444336601. The reversal of 13444336543 is 34563344431.

13444336543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13444336543 - 2²⁹ = 12907465631 is a prime.

It is a super-3 number, since 3×13444336543³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13444336496 and 13444336505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444336523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52305 + ... + 172117.

It is an arithmetic number, because the mean of its divisors is an integer number (1234443642).

Almost surely, 2^13444336543 is an apocalyptic number.

13444336543 is a deficient number, since it is larger than the sum of its proper divisors (1368987161).

13444336543 is a wasteful number, since it uses less digits than its factorization.

13444336543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120026 (or 119925 counting only the distinct ones).

The product of its digits is 622080, while the sum is 40.

The spelling of 13444336543 in words is "thirteen billion, four hundred forty-four million, three hundred thirty-six thousand, five hundred forty-three".