13662826553 has 2 divisors, whose sum is σ = 13662826554. Its totient is φ = 13662826552.

The previous prime is 13662826439. The next prime is 13662826559. The reversal of 13662826553 is 35562826631.

13662826553 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., 12489627049 + 1173199504 = 111757^2 + 34252^2 .

It is an emirp because it is prime and its reverse (35562826631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13662826553 - 2¹⁶ = 13662761017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13662826498 and 13662826507.

It is not a weakly prime, because it can be changed into another prime (13662826559) 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, 6831413276 + 6831413277.

It is an arithmetic number, because the mean of its divisors is an integer number (6831413277).

Almost surely, 2^13662826553 is an apocalyptic number.

It is an amenable number.

13662826553 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662826553 is an equidigital number, since it uses as much as digits as its factorization.

13662826553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The spelling of 13662826553 in words is "thirteen billion, six hundred sixty-two million, eight hundred twenty-six thousand, five hundred fifty-three".