2204469649 has 2 divisors, whose sum is σ = 2204469650. Its totient is φ = 2204469648.

The previous prime is 2204469647. The next prime is 2204469677. The reversal of 2204469649 is 9469644022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115356049 + 89113600 = 45993^2 + 9440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204469649 - 2¹ = 2204469647 is a prime.

Together with 2204469647, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2204469599 and 2204469608.

It is not a weakly prime, because it can be changed into another prime (2204469643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102234824 + 1102234825.

It is an arithmetic number, because the mean of its divisors is an integer number (1102234825).

Almost surely, 2^2204469649 is an apocalyptic number.

It is an amenable number.

2204469649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204469649 is an equidigital number, since it uses as much as digits as its factorization.

2204469649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 2204469649 is about 46951.7800408036. The cubic root of 2204469649 is about 1301.4716369867.

The spelling of 2204469649 in words is "two billion, two hundred four million, four hundred sixty-nine thousand, six hundred forty-nine".