14228636067494 has 4 divisors (see below), whose sum is σ = 21342954101244. Its totient is φ = 7114318033746.

The previous prime is 14228636067487. The next prime is 14228636067497. The reversal of 14228636067494 is 49476063682241.

It is a happy number.

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

It is a super-2 number, since 2×14228636067494² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14228636067497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3557159016872 + ... + 3557159016875.

It is an arithmetic number, because the mean of its divisors is an integer number (5335738525311).

Almost surely, 2^{14228636067494} is an apocalyptic number.

14228636067494 is a deficient number, since it is larger than the sum of its proper divisors (7114318033750).

14228636067494 is an equidigital number, since it uses as much as digits as its factorization.

14228636067494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114318033749.

The product of its (nonzero) digits is 83607552, while the sum is 62.

The spelling of 14228636067494 in words is "fourteen trillion, two hundred twenty-eight billion, six hundred thirty-six million, sixty-seven thousand, four hundred ninety-four".