13404431364 has 12 divisors (see below), whose sum is σ = 31277006544. Its totient is φ = 4468143784.

The previous prime is 13404431357. The next prime is 13404431389. The reversal of 13404431364 is 46313440431.

It is a happy number.

13404431364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 558517962 + ... + 558517985.

It is an arithmetic number, because the mean of its divisors is an integer number (2606417212).

Almost surely, 2^13404431364 is an apocalyptic number.

It is an amenable number.

13404431364 is an abundant number, since it is smaller than the sum of its proper divisors (17872575180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13404431364 is a wasteful number, since it uses less digits than its factorization.

13404431364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117035954 (or 1117035952 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 13404431364 its reverse (46313440431), we get a palindrome (59717871795).

The spelling of 13404431364 in words is "thirteen billion, four hundred four million, four hundred thirty-one thousand, three hundred sixty-four".