204600368597 has 2 divisors, whose sum is σ = 204600368598. Its totient is φ = 204600368596.

The previous prime is 204600368551. The next prime is 204600368629. The reversal of 204600368597 is 795863006402.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155986292401 + 48614076196 = 394951^2 + 220486^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204600368597 is a prime.

It is a super-2 number, since 2×204600368597² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204600368507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102300184298 + 102300184299.

It is an arithmetic number, because the mean of its divisors is an integer number (102300184299).

Almost surely, 2^204600368597 is an apocalyptic number.

It is an amenable number.

204600368597 is a deficient number, since it is larger than the sum of its proper divisors (1).

204600368597 is an equidigital number, since it uses as much as digits as its factorization.

204600368597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 204600368597 in words is "two hundred four billion, six hundred million, three hundred sixty-eight thousand, five hundred ninety-seven".