2280643049 has 2 divisors, whose sum is σ = 2280643050. Its totient is φ = 2280643048.

The previous prime is 2280643019. The next prime is 2280643097. The reversal of 2280643049 is 9403460822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2232090025 + 48553024 = 47245^2 + 6968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2280643049 is a prime.

It is not a weakly prime, because it can be changed into another prime (2280643019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140321524 + 1140321525.

It is an arithmetic number, because the mean of its divisors is an integer number (1140321525).

Almost surely, 2^2280643049 is an apocalyptic number.

It is an amenable number.

2280643049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280643049 is an equidigital number, since it uses as much as digits as its factorization.

2280643049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2280643049 is about 47756.0786602083. The cubic root of 2280643049 is about 1316.2925984169.

The spelling of 2280643049 in words is "two billion, two hundred eighty million, six hundred forty-three thousand, forty-nine".