13321421404 has 12 divisors (see below), whose sum is σ = 23313572800. Its totient is φ = 6660400608.

The previous prime is 13321421389. The next prime is 13321421441. The reversal of 13321421404 is 40412412331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38392 + ... + 167680.

Almost surely, 2^13321421404 is an apocalyptic number.

It is an amenable number.

13321421404 is a deficient number, since it is larger than the sum of its proper divisors (9992151396).

13321421404 is a wasteful number, since it uses less digits than its factorization.

13321421404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155052 (or 155050 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13321421404 its reverse (40412412331), we get a palindrome (53733833735).

The spelling of 13321421404 in words is "thirteen billion, three hundred twenty-one million, four hundred twenty-one thousand, four hundred four".