2266648443349 has 2 divisors, whose sum is σ = 2266648443350. Its totient is φ = 2266648443348.

The previous prime is 2266648443247. The next prime is 2266648443529. The reversal of 2266648443349 is 9433448466622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2124976752900 + 141671690449 = 1457730^2 + 376393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266648443349 - 2²⁵ = 2266614888917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266648483349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133324221674 + 1133324221675.

It is an arithmetic number, because the mean of its divisors is an integer number (1133324221675).

Almost surely, 2^{2266648443349} is an apocalyptic number.

It is an amenable number.

2266648443349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266648443349 is an equidigital number, since it uses as much as digits as its factorization.

2266648443349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 143327232, while the sum is 61.

The spelling of 2266648443349 in words is "two trillion, two hundred sixty-six billion, six hundred forty-eight million, four hundred forty-three thousand, three hundred forty-nine".