13491936853 has 2 divisors, whose sum is σ = 13491936854. Its totient is φ = 13491936852.

The previous prime is 13491936791. The next prime is 13491936893. The reversal of 13491936853 is 35863919431.

13491936853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8357067889 + 5134868964 = 91417^2 + 71658^2 .

It is an emirp because it is prime and its reverse (35863919431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13491936853 - 2²⁹ = 12955065941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13491936853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13491936893) 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, 6745968426 + 6745968427.

It is an arithmetic number, because the mean of its divisors is an integer number (6745968427).

Almost surely, 2^13491936853 is an apocalyptic number.

It is an amenable number.

13491936853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13491936853 is an equidigital number, since it uses as much as digits as its factorization.

13491936853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 52.

The spelling of 13491936853 in words is "thirteen billion, four hundred ninety-one million, nine hundred thirty-six thousand, eight hundred fifty-three".