13444414187 has 2 divisors, whose sum is σ = 13444414188. Its totient is φ = 13444414186.

The previous prime is 13444414171. The next prime is 13444414189. The reversal of 13444414187 is 78141444431.

It is a strong prime.

It is an emirp because it is prime and its reverse (78141444431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13444414187 - 2⁴ = 13444414171 is a prime.

Together with 13444414189, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13444414189) 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 as a sum of consecutive naturals, namely, 6722207093 + 6722207094.

It is an arithmetic number, because the mean of its divisors is an integer number (6722207094).

Almost surely, 2^13444414187 is an apocalyptic number.

13444414187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444414187 is an equidigital number, since it uses as much as digits as its factorization.

13444414187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The spelling of 13444414187 in words is "thirteen billion, four hundred forty-four million, four hundred fourteen thousand, one hundred eighty-seven".