13553788735573 has 2 divisors, whose sum is σ = 13553788735574. Its totient is φ = 13553788735572.

The previous prime is 13553788735379. The next prime is 13553788735631. The reversal of 13553788735573 is 37553788735531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10581085168164 + 2972703567409 = 3252858^2 + 1724153^2 .

It is an emirp because it is prime and its reverse (37553788735531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13553788735573 - 2¹⁷ = 13553788604501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13553788738573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776894367786 + 6776894367787.

It is an arithmetic number, because the mean of its divisors is an integer number (6776894367787).

Almost surely, 2^{13553788735573} is an apocalyptic number.

It is an amenable number.

13553788735573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553788735573 is an equidigital number, since it uses as much as digits as its factorization.

13553788735573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1111320000, while the sum is 70.

The spelling of 13553788735573 in words is "thirteen trillion, five hundred fifty-three billion, seven hundred eighty-eight million, seven hundred thirty-five thousand, five hundred seventy-three".