13456776888073 has 2 divisors, whose sum is σ = 13456776888074. Its totient is φ = 13456776888072.

The previous prime is 13456776887993. The next prime is 13456776888077. The reversal of 13456776888073 is 37088867765431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11572188811264 + 1884588076809 = 3401792^2 + 1372803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456776888073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13456776887987 and 13456776888005.

It is not a weakly prime, because it can be changed into another prime (13456776888077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728388444036 + 6728388444037.

It is an arithmetic number, because the mean of its divisors is an integer number (6728388444037).

Almost surely, 2^{13456776888073} is an apocalyptic number.

It is an amenable number.

13456776888073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456776888073 is an equidigital number, since it uses as much as digits as its factorization.

13456776888073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1137991680, while the sum is 73.

The spelling of 13456776888073 in words is "thirteen trillion, four hundred fifty-six billion, seven hundred seventy-six million, eight hundred eighty-eight thousand, seventy-three".