204793225691 has 2 divisors, whose sum is σ = 204793225692. Its totient is φ = 204793225690.

The previous prime is 204793225667. The next prime is 204793225753. The reversal of 204793225691 is 196522397402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204793225691 - 2³⁴ = 187613356507 is a prime.

It is not a weakly prime, because it can be changed into another prime (204793225621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102396612845 + 102396612846.

It is an arithmetic number, because the mean of its divisors is an integer number (102396612846).

Almost surely, 2^204793225691 is an apocalyptic number.

204793225691 is a deficient number, since it is larger than the sum of its proper divisors (1).

204793225691 is an equidigital number, since it uses as much as digits as its factorization.

204793225691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 204793225691 in words is "two hundred four billion, seven hundred ninety-three million, two hundred twenty-five thousand, six hundred ninety-one".