14140214909 has 2 divisors, whose sum is σ = 14140214910. Its totient is φ = 14140214908.

The previous prime is 14140214897. The next prime is 14140214917. The reversal of 14140214909 is 90941204141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13809775225 + 330439684 = 117515^2 + 18178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14140214909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14140214969) 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, 7070107454 + 7070107455.

It is an arithmetic number, because the mean of its divisors is an integer number (7070107455).

Almost surely, 2^14140214909 is an apocalyptic number.

It is an amenable number.

14140214909 is a deficient number, since it is larger than the sum of its proper divisors (1).

14140214909 is an equidigital number, since it uses as much as digits as its factorization.

14140214909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 14140214909 in words is "fourteen billion, one hundred forty million, two hundred fourteen thousand, nine hundred nine".