13767538157573 has 2 divisors, whose sum is σ = 13767538157574. Its totient is φ = 13767538157572.

The previous prime is 13767538157557. The next prime is 13767538157621. The reversal of 13767538157573 is 37575183576731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10913759745604 + 2853778411969 = 3303598^2 + 1689313^2 .

It is a cyclic number.

It is not a de Polignac number, because 13767538157573 - 2⁴ = 13767538157557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13767538157173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6883769078786 + 6883769078787.

It is an arithmetic number, because the mean of its divisors is an integer number (6883769078787).

Almost surely, 2^{13767538157573} is an apocalyptic number.

It is an amenable number.

13767538157573 is a deficient number, since it is larger than the sum of its proper divisors (1).

13767538157573 is an equidigital number, since it uses as much as digits as its factorization.

13767538157573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388962000, while the sum is 68.

The spelling of 13767538157573 in words is "thirteen trillion, seven hundred sixty-seven billion, five hundred thirty-eight million, one hundred fifty-seven thousand, five hundred seventy-three".