13414422210421 has 16 divisors (see below), whose sum is σ = 14118055676784. Its totient is φ = 12731587375104.

The previous prime is 13414422210403. The next prime is 13414422210473. The reversal of 13414422210421 is 12401222441431.

It can be written as a sum of positive squares in 8 ways, for example, as 8393622980625 + 5020799229796 = 2897175^2 + 2240714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13414422210421 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 (13414422210121) 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, 19431276 + ... + 20109781.

It is an arithmetic number, because the mean of its divisors is an integer number (882378479799).

Almost surely, 2^{13414422210421} is an apocalyptic number.

It is an amenable number.

13414422210421 is a deficient number, since it is larger than the sum of its proper divisors (703633466363).

13414422210421 is a wasteful number, since it uses less digits than its factorization.

13414422210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39541320.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 13414422210421 its reverse (12401222441431), we get a palindrome (25815644651852).

The spelling of 13414422210421 in words is "thirteen trillion, four hundred fourteen billion, four hundred twenty-two million, two hundred ten thousand, four hundred twenty-one".