205359328297 has 4 divisors (see below), whose sum is σ = 205430463616. Its totient is φ = 205288192980.

The previous prime is 205359328289. The next prime is 205359328301. The reversal of 205359328297 is 792823953502.

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 205359328297 - 2³ = 205359328289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205359322297) 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, 35563329 + ... + 35569102.

It is an arithmetic number, because the mean of its divisors is an integer number (51357615904).

Almost surely, 2^205359328297 is an apocalyptic number.

It is an amenable number.

205359328297 is a deficient number, since it is larger than the sum of its proper divisors (71135319).

205359328297 is an equidigital number, since it uses as much as digits as its factorization.

205359328297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71135318.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 205359328297 in words is "two hundred five billion, three hundred fifty-nine million, three hundred twenty-eight thousand, two hundred ninety-seven".