13662036653 has 2 divisors, whose sum is σ = 13662036654. Its totient is φ = 13662036652.

The previous prime is 13662036649. The next prime is 13662036671. The reversal of 13662036653 is 35663026631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9025380004 + 4636656649 = 95002^2 + 68093^2 .

It is a cyclic number.

It is not a de Polignac number, because 13662036653 - 2² = 13662036649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13662036653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13662036623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831018326 + 6831018327.

It is an arithmetic number, because the mean of its divisors is an integer number (6831018327).

Almost surely, 2^13662036653 is an apocalyptic number.

It is an amenable number.

13662036653 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662036653 is an equidigital number, since it uses as much as digits as its factorization.

13662036653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 41.

The spelling of 13662036653 in words is "thirteen billion, six hundred sixty-two million, thirty-six thousand, six hundred fifty-three".