2246981549 has 2 divisors, whose sum is σ = 2246981550. Its totient is φ = 2246981548.

The previous prime is 2246981521. The next prime is 2246981617. The reversal of 2246981549 is 9451896422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1622881225 + 624100324 = 40285^2 + 24982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2246981549 - 2⁸ = 2246981293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2246981497 and 2246981506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2246981449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123490774 + 1123490775.

It is an arithmetic number, because the mean of its divisors is an integer number (1123490775).

Almost surely, 2^2246981549 is an apocalyptic number.

It is an amenable number.

2246981549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2246981549 is an equidigital number, since it uses as much as digits as its factorization.

2246981549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 50.

The square root of 2246981549 is about 47402.3369571586. The cubic root of 2246981549 is about 1309.7844660261.

The spelling of 2246981549 in words is "two billion, two hundred forty-six million, nine hundred eighty-one thousand, five hundred forty-nine".