9897472096529 has 2 divisors, whose sum is σ = 9897472096530. Its totient is φ = 9897472096528.

The previous prime is 9897472096517. The next prime is 9897472096537. The reversal of 9897472096529 is 9256902747989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7259683584400 + 2637788512129 = 2694380^2 + 1624127^2 .

It is a cyclic number.

It is not a de Polignac number, because 9897472096529 - 2¹⁶ = 9897472030993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9897472096529.

It is not a weakly prime, because it can be changed into another prime (9897472096429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4948736048264 + 4948736048265.

It is an arithmetic number, because the mean of its divisors is an integer number (4948736048265).

Almost surely, 2^{9897472096529} is an apocalyptic number.

It is an amenable number.

9897472096529 is a deficient number, since it is larger than the sum of its proper divisors (1).

9897472096529 is an equidigital number, since it uses as much as digits as its factorization.

9897472096529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234517760, while the sum is 77.

The spelling of 9897472096529 in words is "nine trillion, eight hundred ninety-seven billion, four hundred seventy-two million, ninety-six thousand, five hundred twenty-nine".