13671413421 has 16 divisors (see below), whose sum is σ = 19295664960. Its totient is φ = 8595336960.

The previous prime is 13671413401. The next prime is 13671413423. The reversal of 13671413421 is 12431417631.

It is not a de Polignac number, because 13671413421 - 2¹⁰ = 13671412397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671413423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1823500 + ... + 1830981.

It is an arithmetic number, because the mean of its divisors is an integer number (1205979060).

Almost surely, 2^13671413421 is an apocalyptic number.

It is an amenable number.

13671413421 is a deficient number, since it is larger than the sum of its proper divisors (5624251539).

13671413421 is a wasteful number, since it uses less digits than its factorization.

13671413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654556.

The product of its digits is 12096, while the sum is 33.

The spelling of 13671413421 in words is "thirteen billion, six hundred seventy-one million, four hundred thirteen thousand, four hundred twenty-one".