2628330449 has 2 divisors, whose sum is σ = 2628330450. Its totient is φ = 2628330448.

The previous prime is 2628330437. The next prime is 2628330487. The reversal of 2628330449 is 9440338262.

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., 2362640449 + 265690000 = 48607^2 + 16300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628330449 - 2⁴ = 2628330433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628330499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314165224 + 1314165225.

It is an arithmetic number, because the mean of its divisors is an integer number (1314165225).

Almost surely, 2^2628330449 is an apocalyptic number.

It is an amenable number.

2628330449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628330449 is an equidigital number, since it uses as much as digits as its factorization.

2628330449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2628330449 is about 51267.2453814324. The cubic root of 2628330449 is about 1380.0452356872.

The spelling of 2628330449 in words is "two billion, six hundred twenty-eight million, three hundred thirty thousand, four hundred forty-nine".