14416225781 has 2 divisors, whose sum is σ = 14416225782. Its totient is φ = 14416225780.

The previous prime is 14416225739. The next prime is 14416225793. The reversal of 14416225781 is 18752261441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323642756 + 6092583025 = 91234^2 + 78055^2 .

It is an emirp because it is prime and its reverse (18752261441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14416225781 - 2⁶ = 14416225717 is a prime.

It is a super-2 number, since 2×14416225781² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14416228781) 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, 7208112890 + 7208112891.

It is an arithmetic number, because the mean of its divisors is an integer number (7208112891).

Almost surely, 2^14416225781 is an apocalyptic number.

It is an amenable number.

14416225781 is a deficient number, since it is larger than the sum of its proper divisors (1).

14416225781 is an equidigital number, since it uses as much as digits as its factorization.

14416225781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The spelling of 14416225781 in words is "fourteen billion, four hundred sixteen million, two hundred twenty-five thousand, seven hundred eighty-one".