13415624221 has 8 divisors (see below), whose sum is σ = 13493278080. Its totient is φ = 13338176688.

The previous prime is 13415624219. The next prime is 13415624249. The reversal of 13415624221 is 12242651431.

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 13415624221 - 2¹ = 13415624219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415624281) 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, 79800 + ... + 182206.

It is an arithmetic number, because the mean of its divisors is an integer number (1686659760).

Almost surely, 2^13415624221 is an apocalyptic number.

It is an amenable number.

13415624221 is a deficient number, since it is larger than the sum of its proper divisors (77653859).

13415624221 is a wasteful number, since it uses less digits than its factorization.

13415624221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103163.

The product of its digits is 11520, while the sum is 31.

The spelling of 13415624221 in words is "thirteen billion, four hundred fifteen million, six hundred twenty-four thousand, two hundred twenty-one".