204033321220249 has 2 divisors, whose sum is σ = 204033321220250. Its totient is φ = 204033321220248.

The previous prime is 204033321220213. The next prime is 204033321220361. The reversal of 204033321220249 is 942022123330402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149696888964624 + 54336432255625 = 12235068^2 + 7371325^2 .

It is a cyclic number.

It is not a de Polignac number, because 204033321220249 - 2³⁷ = 203895882266777 is a prime.

It is not a weakly prime, because it can be changed into another prime (204033321250249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102016660610124 + 102016660610125.

It is an arithmetic number, because the mean of its divisors is an integer number (102016660610125).

Almost surely, 2^{204033321220249} is an apocalyptic number.

It is an amenable number.

204033321220249 is a deficient number, since it is larger than the sum of its proper divisors (1).

204033321220249 is an equidigital number, since it uses as much as digits as its factorization.

204033321220249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 204033321220249 in words is "two hundred four trillion, thirty-three billion, three hundred twenty-one million, two hundred twenty thousand, two hundred forty-nine".