21414213332413 has 16 divisors (see below), whose sum is σ = 24742494299520. Its totient is φ = 18316869580800.

The previous prime is 21414213332401. The next prime is 21414213332423. The reversal of 21414213332413 is 31423331241412.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21414213332413 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 (21414213332423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16407273 + ... + 17664286.

It is an arithmetic number, because the mean of its divisors is an integer number (1546405893720).

Almost surely, 2^{21414213332413} is an apocalyptic number.

It is an amenable number.

21414213332413 is a deficient number, since it is larger than the sum of its proper divisors (3328280967107).

21414213332413 is a wasteful number, since it uses less digits than its factorization.

21414213332413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34074948.

The product of its digits is 41472, while the sum is 34.

Adding to 21414213332413 its reverse (31423331241412), we get a palindrome (52837544573825).

The spelling of 21414213332413 in words is "twenty-one trillion, four hundred fourteen billion, two hundred thirteen million, three hundred thirty-two thousand, four hundred thirteen".