13404244443 has 16 divisors (see below), whose sum is σ = 18111434880. Its totient is φ = 8816891904.

The previous prime is 13404244409. The next prime is 13404244453. The reversal of 13404244443 is 34444240431.

It is not a de Polignac number, because 13404244443 - 2⁶ = 13404244379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13404244453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156480 + ... + 226482.

It is an arithmetic number, because the mean of its divisors is an integer number (1131964680).

Almost surely, 2^13404244443 is an apocalyptic number.

13404244443 is a deficient number, since it is larger than the sum of its proper divisors (4707190437).

13404244443 is an equidigital number, since it uses as much as digits as its factorization.

13404244443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70858.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 13404244443 its reverse (34444240431), we get a palindrome (47848484874).

The spelling of 13404244443 in words is "thirteen billion, four hundred four million, two hundred forty-four thousand, four hundred forty-three".