204225479971 has 2 divisors, whose sum is σ = 204225479972. Its totient is φ = 204225479970.

The previous prime is 204225479957. The next prime is 204225480007. The reversal of 204225479971 is 179974522402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204225479971 - 2⁹ = 204225479459 is a prime.

It is not a weakly prime, because it can be changed into another prime (204225479671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102112739985 + 102112739986.

It is an arithmetic number, because the mean of its divisors is an integer number (102112739986).

Almost surely, 2^204225479971 is an apocalyptic number.

204225479971 is a deficient number, since it is larger than the sum of its proper divisors (1).

204225479971 is an equidigital number, since it uses as much as digits as its factorization.

204225479971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 204225479971 in words is "two hundred four billion, two hundred twenty-five million, four hundred seventy-nine thousand, nine hundred seventy-one".