11421343413 has 8 divisors (see below), whose sum is σ = 16920508800. Its totient is φ = 7614228924.

The previous prime is 11421343397. The next prime is 11421343421. The reversal of 11421343413 is 31434312411.

11421343413 is a `hidden beast` number, since 1 + 1 + 4 + 213 + 434 + 13 = 666.

It is not a de Polignac number, because 11421343413 - 2⁴ = 11421343397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 423012719 = 11421343413 / (1 + 1 + 4 + 2 + 1 + 3 + 4 + 3 + 4 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421343433) 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 7 ways as a sum of consecutive naturals, for example, 211506333 + ... + 211506386.

It is an arithmetic number, because the mean of its divisors is an integer number (2115063600).

Almost surely, 2^11421343413 is an apocalyptic number.

It is an amenable number.

11421343413 is a deficient number, since it is larger than the sum of its proper divisors (5499165387).

11421343413 is an equidigital number, since it uses as much as digits as its factorization.

11421343413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423012728 (or 423012722 counting only the distinct ones).

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

Adding to 11421343413 its reverse (31434312411), we get a palindrome (42855655824).

The spelling of 11421343413 in words is "eleven billion, four hundred twenty-one million, three hundred forty-three thousand, four hundred thirteen".