12887250569 has 2 divisors, whose sum is σ = 12887250570. Its totient is φ = 12887250568.

The previous prime is 12887250539. The next prime is 12887250599. The reversal of 12887250569 is 96505278821.

It is a balanced prime because it is at equal distance from previous prime (12887250539) and next prime (12887250599).

It can be written as a sum of positive squares in only one way, i.e., 11465055625 + 1422194944 = 107075^2 + 37712^2 .

It is a cyclic number.

It is not a de Polignac number, because 12887250569 - 2¹⁶ = 12887185033 is a prime.

It is a super-2 number, since 2×12887250569² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12887250569.

It is not a weakly prime, because it can be changed into another prime (12887250539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6443625284 + 6443625285.

It is an arithmetic number, because the mean of its divisors is an integer number (6443625285).

Almost surely, 2^12887250569 is an apocalyptic number.

It is an amenable number.

12887250569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12887250569 is an equidigital number, since it uses as much as digits as its factorization.

12887250569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 12887250569 in words is "twelve billion, eight hundred eighty-seven million, two hundred fifty thousand, five hundred sixty-nine".