2208342649 has 2 divisors, whose sum is σ = 2208342650. Its totient is φ = 2208342648.

The previous prime is 2208342613. The next prime is 2208342707. The reversal of 2208342649 is 9462438022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100847225 + 107495424 = 45835^2 + 10368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2208342649 - 2²¹ = 2206245497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2208342349) 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, 1104171324 + 1104171325.

It is an arithmetic number, because the mean of its divisors is an integer number (1104171325).

Almost surely, 2^2208342649 is an apocalyptic number.

It is an amenable number.

2208342649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2208342649 is an equidigital number, since it uses as much as digits as its factorization.

2208342649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2208342649 is about 46993.0063839291. The cubic root of 2208342649 is about 1302.2333698011.

The spelling of 2208342649 in words is "two billion, two hundred eight million, three hundred forty-two thousand, six hundred forty-nine".