4447060807649 has 2 divisors, whose sum is σ = 4447060807650. Its totient is φ = 4447060807648.

The previous prime is 4447060807591. The next prime is 4447060807697. The reversal of 4447060807649 is 9467080607444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3313619512225 + 1133441295424 = 1820335^2 + 1064632^2 .

It is a cyclic number.

It is not a de Polignac number, because 4447060807649 - 2⁸ = 4447060807393 is a prime.

It is not a weakly prime, because it can be changed into another prime (4447060800649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2223530403824 + 2223530403825.

It is an arithmetic number, because the mean of its divisors is an integer number (2223530403825).

Almost surely, 2^{4447060807649} is an apocalyptic number.

It is an amenable number.

4447060807649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447060807649 is an equidigital number, since it uses as much as digits as its factorization.

4447060807649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 4447060807649 in words is "four trillion, four hundred forty-seven billion, sixty million, eight hundred seven thousand, six hundred forty-nine".