2044486649 has 2 divisors, whose sum is σ = 2044486650. Its totient is φ = 2044486648.

The previous prime is 2044486637. The next prime is 2044486667. The reversal of 2044486649 is 9466844402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027881024 + 16605625 = 45032^2 + 4075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2044486649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2044486679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022243324 + 1022243325.

It is an arithmetic number, because the mean of its divisors is an integer number (1022243325).

Almost surely, 2^2044486649 is an apocalyptic number.

It is an amenable number.

2044486649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044486649 is an equidigital number, since it uses as much as digits as its factorization.

2044486649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 47.

The square root of 2044486649 is about 45215.9999225938. Note that the first 4 decimals coincide. The cubic root of 2044486649 is about 1269.1942414062.

The spelling of 2044486649 in words is "two billion, forty-four million, four hundred eighty-six thousand, six hundred forty-nine".