13887511373 has 2 divisors, whose sum is σ = 13887511374. Its totient is φ = 13887511372.

The previous prime is 13887511333. The next prime is 13887511397. The reversal of 13887511373 is 37311578831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13826702569 + 60808804 = 117587^2 + 7798^2 .

It is a cyclic number.

It is not a de Polignac number, because 13887511373 - 2¹⁰ = 13887510349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13887511303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943755686 + 6943755687.

It is an arithmetic number, because the mean of its divisors is an integer number (6943755687).

Almost surely, 2^13887511373 is an apocalyptic number.

It is an amenable number.

13887511373 is a deficient number, since it is larger than the sum of its proper divisors (1).

13887511373 is an equidigital number, since it uses as much as digits as its factorization.

13887511373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The spelling of 13887511373 in words is "thirteen billion, eight hundred eighty-seven million, five hundred eleven thousand, three hundred seventy-three".