12582986989 has 2 divisors, whose sum is σ = 12582986990. Its totient is φ = 12582986988.

The previous prime is 12582986903. The next prime is 12582987007. The reversal of 12582986989 is 98968928521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10908131364 + 1674855625 = 104442^2 + 40925^2 .

It is a cyclic number.

It is not a de Polignac number, because 12582986989 - 2¹³ = 12582978797 is a prime.

It is a super-2 number, since 2×12582986989² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12582986789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6291493494 + 6291493495.

It is an arithmetic number, because the mean of its divisors is an integer number (6291493495).

Almost surely, 2^12582986989 is an apocalyptic number.

It is an amenable number.

12582986989 is a deficient number, since it is larger than the sum of its proper divisors (1).

12582986989 is an equidigital number, since it uses as much as digits as its factorization.

12582986989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 67.

The spelling of 12582986989 in words is "twelve billion, five hundred eighty-two million, nine hundred eighty-six thousand, nine hundred eighty-nine".