13728157843 has 2 divisors, whose sum is σ = 13728157844. Its totient is φ = 13728157842.

The previous prime is 13728157813. The next prime is 13728157853. The reversal of 13728157843 is 34875182731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13728157843 - 2¹⁷ = 13728026771 is a prime.

It is not a weakly prime, because it can be changed into another prime (13728157813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6864078921 + 6864078922.

It is an arithmetic number, because the mean of its divisors is an integer number (6864078922).

Almost surely, 2^13728157843 is an apocalyptic number.

13728157843 is a deficient number, since it is larger than the sum of its proper divisors (1).

13728157843 is an equidigital number, since it uses as much as digits as its factorization.

13728157843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The spelling of 13728157843 in words is "thirteen billion, seven hundred twenty-eight million, one hundred fifty-seven thousand, eight hundred forty-three".