14188893449 has 2 divisors, whose sum is σ = 14188893450. Its totient is φ = 14188893448.

The previous prime is 14188893437. The next prime is 14188893457. The reversal of 14188893449 is 94439888141.

14188893449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12383238400 + 1805655049 = 111280^2 + 42493^2 .

It is an emirp because it is prime and its reverse (94439888141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14188893449 is a prime.

It is not a weakly prime, because it can be changed into another prime (14188893479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7094446724 + 7094446725.

It is an arithmetic number, because the mean of its divisors is an integer number (7094446725).

Almost surely, 2^14188893449 is an apocalyptic number.

It is an amenable number.

14188893449 is a deficient number, since it is larger than the sum of its proper divisors (1).

14188893449 is an equidigital number, since it uses as much as digits as its factorization.

14188893449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7962624, while the sum is 59.

The spelling of 14188893449 in words is "fourteen billion, one hundred eighty-eight million, eight hundred ninety-three thousand, four hundred forty-nine".