14720044457 has 2 divisors, whose sum is σ = 14720044458. Its totient is φ = 14720044456.

The previous prime is 14720044441. The next prime is 14720044481. The reversal of 14720044457 is 75444002741.

It is a happy number.

14720044457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10151771536 + 4568272921 = 100756^2 + 67589^2 .

It is an emirp because it is prime and its reverse (75444002741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14720044457 - 2⁴ = 14720044441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14720044457.

It is not a weakly prime, because it can be changed into another prime (14720044487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7360022228 + 7360022229.

It is an arithmetic number, because the mean of its divisors is an integer number (7360022229).

Almost surely, 2^14720044457 is an apocalyptic number.

It is an amenable number.

14720044457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14720044457 is an equidigital number, since it uses as much as digits as its factorization.

14720044457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 14720044457 in words is "fourteen billion, seven hundred twenty million, forty-four thousand, four hundred fifty-seven".