13421445344 has 48 divisors (see below), whose sum is σ = 26809122816. Its totient is φ = 6613488000.

The previous prime is 13421445337. The next prime is 13421445347. The reversal of 13421445344 is 44354412431.

It is a happy number.

13421445344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421445347) 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 7 ways as a sum of consecutive naturals, for example, 602729 + ... + 624599.

It is an arithmetic number, because the mean of its divisors is an integer number (558523392).

Almost surely, 2^13421445344 is an apocalyptic number.

It is an amenable number.

13421445344 is a deficient number, since it is larger than the sum of its proper divisors (13387677472).

13421445344 is a wasteful number, since it uses less digits than its factorization.

13421445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22159 (or 22151 counting only the distinct ones).

The product of its digits is 92160, while the sum is 35.

Adding to 13421445344 its reverse (44354412431), we get a palindrome (57775857775).

The spelling of 13421445344 in words is "thirteen billion, four hundred twenty-one million, four hundred forty-five thousand, three hundred forty-four".