2206669849 has 2 divisors, whose sum is σ = 2206669850. Its totient is φ = 2206669848.

The previous prime is 2206669799. The next prime is 2206669859. The reversal of 2206669849 is 9489666022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1797336025 + 409333824 = 42395^2 + 20232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206669849 - 2⁷ = 2206669721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2206669796 and 2206669805.

It is not a weakly prime, because it can be changed into another prime (2206669859) 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, 1103334924 + 1103334925.

It is an arithmetic number, because the mean of its divisors is an integer number (1103334925).

Almost surely, 2^2206669849 is an apocalyptic number.

It is an amenable number.

2206669849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206669849 is an equidigital number, since it uses as much as digits as its factorization.

2206669849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 2206669849 is about 46975.2046190328. The cubic root of 2206669849 is about 1301.9044766608.

The spelling of 2206669849 in words is "two billion, two hundred six million, six hundred sixty-nine thousand, eight hundred forty-nine".