9897412096529 has 2 divisors, whose sum is σ = 9897412096530. Its totient is φ = 9897412096528.

The previous prime is 9897412096513. The next prime is 9897412096531. The reversal of 9897412096529 is 9256902147989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6464814760000 + 3432597336529 = 2542600^2 + 1852727^2 .

It is a cyclic number.

It is not a de Polignac number, because 9897412096529 - 2⁴ = 9897412096513 is a prime.

Together with 9897412096531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9897472096529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948706048264 + 4948706048265.

It is an arithmetic number, because the mean of its divisors is an integer number (4948706048265).

Almost surely, 2^{9897412096529} is an apocalyptic number.

It is an amenable number.

9897412096529 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897412096529 is an equidigital number, since it uses as much as digits as its factorization.

9897412096529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 9897412096529 in words is "nine trillion, eight hundred ninety-seven billion, four hundred twelve million, ninety-six thousand, five hundred twenty-nine".