13413242421 has 24 divisors (see below), whose sum is σ = 19651956480. Its totient is φ = 8814801600.

The previous prime is 13413242411. The next prime is 13413242461. The reversal of 13413242421 is 12424231431.

13413242421 is a `hidden beast` number, since 1 + 3 + 413 + 2 + 4 + 242 + 1 = 666.

It is not a de Polignac number, because 13413242421 - 2¹³ = 13413234229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413242411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239836 + ... + 290426.

It is an arithmetic number, because the mean of its divisors is an integer number (818831520).

Almost surely, 2^13413242421 is an apocalyptic number.

It is an amenable number.

13413242421 is a deficient number, since it is larger than the sum of its proper divisors (6238714059).

13413242421 is a wasteful number, since it uses less digits than its factorization.

13413242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51017 (or 51014 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 13413242421 its reverse (12424231431), we get a palindrome (25837473852).

The spelling of 13413242421 in words is "thirteen billion, four hundred thirteen million, two hundred forty-two thousand, four hundred twenty-one".