12860928529 has 2 divisors, whose sum is σ = 12860928530. Its totient is φ = 12860928528.

The previous prime is 12860928481. The next prime is 12860928581. The reversal of 12860928529 is 92582906821.

It is an a-pointer prime, because the next prime (12860928581) can be obtained adding 12860928529 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11166782929 + 1694145600 = 105673^2 + 41160^2 .

It is a cyclic number.

It is not a de Polignac number, because 12860928529 - 2⁷ = 12860928401 is a prime.

It is a super-2 number, since 2×12860928529² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12860328529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6430464264 + 6430464265.

It is an arithmetic number, because the mean of its divisors is an integer number (6430464265).

Almost surely, 2^12860928529 is an apocalyptic number.

It is an amenable number.

12860928529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12860928529 is an equidigital number, since it uses as much as digits as its factorization.

12860928529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 12860928529 in words is "twelve billion, eight hundred sixty million, nine hundred twenty-eight thousand, five hundred twenty-nine".