14156322709 has 2 divisors, whose sum is σ = 14156322710. Its totient is φ = 14156322708.

The previous prime is 14156322689. The next prime is 14156322721. The reversal of 14156322709 is 90722365141.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14119380625 + 36942084 = 118825^2 + 6078^2 .

It is an emirp because it is prime and its reverse (90722365141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14156322709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14156322209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078161354 + 7078161355.

It is an arithmetic number, because the mean of its divisors is an integer number (7078161355).

Almost surely, 2^14156322709 is an apocalyptic number.

It is an amenable number.

14156322709 is a deficient number, since it is larger than the sum of its proper divisors (1).

14156322709 is an equidigital number, since it uses as much as digits as its factorization.

14156322709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 14156322709 in words is "fourteen billion, one hundred fifty-six million, three hundred twenty-two thousand, seven hundred nine".