12529328417 has 2 divisors, whose sum is σ = 12529328418. Its totient is φ = 12529328416.

The previous prime is 12529328369. The next prime is 12529328431. The reversal of 12529328417 is 71482392521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8775192976 + 3754135441 = 93676^2 + 61271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12529328417 - 2⁶ = 12529328353 is a prime.

It is not a weakly prime, because it can be changed into another prime (12529328437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264664208 + 6264664209.

It is an arithmetic number, because the mean of its divisors is an integer number (6264664209).

Almost surely, 2^12529328417 is an apocalyptic number.

It is an amenable number.

12529328417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12529328417 is an equidigital number, since it uses as much as digits as its factorization.

12529328417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The spelling of 12529328417 in words is "twelve billion, five hundred twenty-nine million, three hundred twenty-eight thousand, four hundred seventeen".