97329017609209 has 3 divisors (see below), whose sum is σ = 97329027474757. Its totient is φ = 97329007743662.

The previous prime is 97329017609129. The next prime is 97329017609231. The reversal of 97329017609209 is 90290671092379.

The square root of 97329017609209 is 9865547.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 97329017609209 - 2¹⁷ = 97329017478137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97329017609279) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4932774 + ... + 14798320.

Almost surely, 2^{97329017609209} is an apocalyptic number.

97329017609209 is the 9865547-th square number.

97329017609209 is the 4932774-th centered octagonal number.

It is an amenable number.

97329017609209 is a deficient number, since it is larger than the sum of its proper divisors (9865548).

97329017609209 is an frugal number, since it uses more digits than its factorization.

97329017609209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19731094 (or 9865547 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 64.

The spelling of 97329017609209 in words is "ninety-seven trillion, three hundred twenty-nine billion, seventeen million, six hundred nine thousand, two hundred nine".