13214441921 has 8 divisors (see below), whose sum is σ = 13992975360. Its totient is φ = 12436043328.

The previous prime is 13214441909. The next prime is 13214441927. The reversal of 13214441921 is 12914441231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13214441921 - 2¹⁴ = 13214425537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13214441927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224720 + ... + 277358.

It is an arithmetic number, because the mean of its divisors is an integer number (1749121920).

Almost surely, 2^13214441921 is an apocalyptic number.

It is an amenable number.

13214441921 is a deficient number, since it is larger than the sum of its proper divisors (778533439).

13214441921 is a wasteful number, since it uses less digits than its factorization.

13214441921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67423.

The product of its digits is 6912, while the sum is 32.

The spelling of 13214441921 in words is "thirteen billion, two hundred fourteen million, four hundred forty-one thousand, nine hundred twenty-one".