13104104033421 has 112 divisors (see below), whose sum is σ = 20912053026816. Its totient is φ = 8190447759648.

The previous prime is 13104104033401. The next prime is 13104104033429. The reversal of 13104104033421 is 12433040140131.

13104104033421 is a `hidden beast` number, since 1 + 3 + 104 + 104 + 0 + 33 + 421 = 666.

It is not a de Polignac number, because 13104104033421 - 2¹⁵ = 13104104000653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104104033429) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 176703876 + ... + 176778018.

It is an arithmetic number, because the mean of its divisors is an integer number (186714759168).

Almost surely, 2^{13104104033421} is an apocalyptic number.

It is an amenable number.

13104104033421 is a deficient number, since it is larger than the sum of its proper divisors (7807948993395).

13104104033421 is an equidigital number, since it uses as much as digits as its factorization.

13104104033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74394 (or 74379 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 13104104033421 its reverse (12433040140131), we get a palindrome (25537144173552).

The spelling of 13104104033421 in words is "thirteen trillion, one hundred four billion, one hundred four million, thirty-three thousand, four hundred twenty-one".