97580199329 has 2 divisors, whose sum is σ = 97580199330. Its totient is φ = 97580199328.

The previous prime is 97580199313. The next prime is 97580199433. The reversal of 97580199329 is 92399108579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62974898704 + 34605300625 = 250948^2 + 186025^2 .

It is an emirp because it is prime and its reverse (92399108579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97580199329 - 2⁴ = 97580199313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97580199229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48790099664 + 48790099665.

It is an arithmetic number, because the mean of its divisors is an integer number (48790099665).

Almost surely, 2^97580199329 is an apocalyptic number.

It is an amenable number.

97580199329 is a deficient number, since it is larger than the sum of its proper divisors (1).

97580199329 is an equidigital number, since it uses as much as digits as its factorization.

97580199329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 62.

The spelling of 97580199329 in words is "ninety-seven billion, five hundred eighty million, one hundred ninety-nine thousand, three hundred twenty-nine".