13485523386791 has 2 divisors, whose sum is σ = 13485523386792. Its totient is φ = 13485523386790.

The previous prime is 13485523386773. The next prime is 13485523386947. The reversal of 13485523386791 is 19768332558431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13485523386791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13485523386701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6742761693395 + 6742761693396.

It is an arithmetic number, because the mean of its divisors is an integer number (6742761693396).

Almost surely, 2^{13485523386791} is an apocalyptic number.

13485523386791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13485523386791 is an equidigital number, since it uses as much as digits as its factorization.

13485523386791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 65.

The spelling of 13485523386791 in words is "thirteen trillion, four hundred eighty-five billion, five hundred twenty-three million, three hundred eighty-six thousand, seven hundred ninety-one".