13414218781 has 16 divisors (see below), whose sum is σ = 14263579008. Its totient is φ = 12571686400.

The previous prime is 13414218749. The next prime is 13414218799. The reversal of 13414218781 is 18781241431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13414218781 - 2⁵ = 13414218749 is a prime.

It is a super-2 number, since 2×13414218781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13414218281) 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 15 ways as a sum of consecutive naturals, for example, 4453566 + ... + 4456576.

It is an arithmetic number, because the mean of its divisors is an integer number (891473688).

Almost surely, 2^13414218781 is an apocalyptic number.

It is an amenable number.

13414218781 is a deficient number, since it is larger than the sum of its proper divisors (849360227).

13414218781 is a wasteful number, since it uses less digits than its factorization.

13414218781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052.

The product of its digits is 43008, while the sum is 40.

The spelling of 13414218781 in words is "thirteen billion, four hundred fourteen million, two hundred eighteen thousand, seven hundred eighty-one".