9932912897 has 2 divisors, whose sum is σ = 9932912898. Its totient is φ = 9932912896.

The previous prime is 9932912819. The next prime is 9932912921. The reversal of 9932912897 is 7982192399.

It is a Cunningham number, because it is equal to 99664²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9932912896 + 1 = 99664^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 9932912897 - 2¹⁰ = 9932911873 is a prime.

It is not a weakly prime, because it can be changed into another prime (9932912497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966456448 + 4966456449.

It is an arithmetic number, because the mean of its divisors is an integer number (4966456449).

Almost surely, 2^9932912897 is an apocalyptic number.

It is an amenable number.

9932912897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9932912897 is an equidigital number, since it uses as much as digits as its factorization.

9932912897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 59.

The square root of 9932912897 is about 99664.0000050169. Note that the first 5 decimals coincide. The cubic root of 9932912897 is about 2149.6060498318.

The spelling of 9932912897 in words is "nine billion, nine hundred thirty-two million, nine hundred twelve thousand, eight hundred ninety-seven".