14491344397 has 2 divisors, whose sum is σ = 14491344398. Its totient is φ = 14491344396.

The previous prime is 14491344377. The next prime is 14491344401. The reversal of 14491344397 is 79344319441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12141615721 + 2349728676 = 110189^2 + 48474^2 .

It is an emirp because it is prime and its reverse (79344319441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14491344397 - 2⁷ = 14491344269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14491344397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14491344337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7245672198 + 7245672199.

It is an arithmetic number, because the mean of its divisors is an integer number (7245672199).

Almost surely, 2^14491344397 is an apocalyptic number.

It is an amenable number.

14491344397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14491344397 is an equidigital number, since it uses as much as digits as its factorization.

14491344397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The spelling of 14491344397 in words is "fourteen billion, four hundred ninety-one million, three hundred forty-four thousand, three hundred ninety-seven".