12867533089 has 2 divisors, whose sum is σ = 12867533090. Its totient is φ = 12867533088.

The previous prime is 12867533071. The next prime is 12867533117. The reversal of 12867533089 is 98033576821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11922892864 + 944640225 = 109192^2 + 30735^2 .

It is a cyclic number.

It is not a de Polignac number, because 12867533089 - 2¹¹ = 12867531041 is a prime.

It is not a weakly prime, because it can be changed into another prime (12867533009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6433766544 + 6433766545.

It is an arithmetic number, because the mean of its divisors is an integer number (6433766545).

Almost surely, 2^12867533089 is an apocalyptic number.

It is an amenable number.

12867533089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12867533089 is an equidigital number, since it uses as much as digits as its factorization.

12867533089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 12867533089 in words is "twelve billion, eight hundred sixty-seven million, five hundred thirty-three thousand, eighty-nine".