9698909897 has 4 divisors (see below), whose sum is σ = 9706790016. Its totient is φ = 9691029780.

The previous prime is 9698909873. The next prime is 9698909923. The reversal of 9698909897 is 7989098969.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9698909897 - 2⁶ = 9698909833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9698909827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3938213 + ... + 3940674.

It is an arithmetic number, because the mean of its divisors is an integer number (2426697504).

Almost surely, 2^9698909897 is an apocalyptic number.

It is an amenable number.

9698909897 is a deficient number, since it is larger than the sum of its proper divisors (7880119).

9698909897 is a wasteful number, since it uses less digits than its factorization.

9698909897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7880118.

The product of its (nonzero) digits is 158723712, while the sum is 74.

The square root of 9698909897 is about 98483.0437029644. The cubic root of 9698909897 is about 2132.5913414026.

The spelling of 9698909897 in words is "nine billion, six hundred ninety-eight million, nine hundred nine thousand, eight hundred ninety-seven".