14011986913 has 4 divisors (see below), whose sum is σ = 14390689300. Its totient is φ = 13633284528.

The previous prime is 14011986847. The next prime is 14011986973. The reversal of 14011986913 is 31968911041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7533024849 + 6478962064 = 86793^2 + 80492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14011986913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14011986913.

It is not an unprimeable number, because it can be changed into a prime (14011986973) 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 3 ways as a sum of consecutive naturals, for example, 189351138 + ... + 189351211.

It is an arithmetic number, because the mean of its divisors is an integer number (3597672325).

Almost surely, 2^14011986913 is an apocalyptic number.

It is an amenable number.

14011986913 is a deficient number, since it is larger than the sum of its proper divisors (378702387).

14011986913 is an equidigital number, since it uses as much as digits as its factorization.

14011986913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378702386.

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 14011986913 in words is "fourteen billion, eleven million, nine hundred eighty-six thousand, nine hundred thirteen".