14428730158781 has 2 divisors, whose sum is σ = 14428730158782. Its totient is φ = 14428730158780.

The previous prime is 14428730158771. The next prime is 14428730158783. The reversal of 14428730158781 is 18785103782441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11182369440025 + 3246360718756 = 3344005^2 + 1801766^2 .

It is an emirp because it is prime and its reverse (18785103782441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14428730158781 - 2³⁴ = 14411550289597 is a prime.

It is a super-2 number, since 2×14428730158781² (a number of 27 digits) contains 22 as substring.

Together with 14428730158783, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14428730158781.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14428730158783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7214365079390 + 7214365079391.

It is an arithmetic number, because the mean of its divisors is an integer number (7214365079391).

Almost surely, 2^{14428730158781} is an apocalyptic number.

It is an amenable number.

14428730158781 is a deficient number, since it is larger than the sum of its proper divisors (1).

14428730158781 is an equidigital number, since it uses as much as digits as its factorization.

14428730158781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12042240, while the sum is 59.

The spelling of 14428730158781 in words is "fourteen trillion, four hundred twenty-eight billion, seven hundred thirty million, one hundred fifty-eight thousand, seven hundred eighty-one".