2211347849 has 2 divisors, whose sum is σ = 2211347850. Its totient is φ = 2211347848.

The previous prime is 2211347843. The next prime is 2211347867. The reversal of 2211347849 is 9487431122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100572224 + 110775625 = 45832^2 + 10525^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211347849 - 2¹⁶ = 2211282313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211347843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105673924 + 1105673925.

It is an arithmetic number, because the mean of its divisors is an integer number (1105673925).

Almost surely, 2^2211347849 is an apocalyptic number.

It is an amenable number.

2211347849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211347849 is an equidigital number, since it uses as much as digits as its factorization.

2211347849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 2211347849 is about 47024.9704837760. The cubic root of 2211347849 is about 1302.8238122706.

The spelling of 2211347849 in words is "two billion, two hundred eleven million, three hundred forty-seven thousand, eight hundred forty-nine".