13443522443 has 4 divisors (see below), whose sum is σ = 14477639568. Its totient is φ = 12409405320.

The previous prime is 13443522427. The next prime is 13443522457. The reversal of 13443522443 is 34422534431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34422534431 = 146477 ⋅235003.

It is not a de Polignac number, because 13443522443 - 2⁴ = 13443522427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13443522413) by changing a digit.

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, 517058543 + ... + 517058568.

It is an arithmetic number, because the mean of its divisors is an integer number (3619409892).

Almost surely, 2^13443522443 is an apocalyptic number.

13443522443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13443522443 is a deficient number, since it is larger than the sum of its proper divisors (1034117125).

13443522443 is a wasteful number, since it uses less digits than its factorization.

13443522443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034117124.

The product of its digits is 138240, while the sum is 35.

The spelling of 13443522443 in words is "thirteen billion, four hundred forty-three million, five hundred twenty-two thousand, four hundred forty-three".