4894335649 has 12 divisors (see below), whose sum is σ = 6028318404. Its totient is φ = 3948370944.

The previous prime is 4894335631. The next prime is 4894335653. The reversal of 4894335649 is 9465334984.

It can be written as a sum of positive squares in 2 ways, for example, as 4538447424 + 355888225 = 67368^2 + 18865^2 .

It is not a de Polignac number, because 4894335649 - 2⁹ = 4894335137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4894335649.

It is not an unprimeable number, because it can be changed into a prime (4894339649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2936944 + ... + 2938609.

It is an arithmetic number, because the mean of its divisors is an integer number (502359867).

Almost surely, 2^4894335649 is an apocalyptic number.

4894335649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4894335649 is a deficient number, since it is larger than the sum of its proper divisors (1133982755).

4894335649 is a wasteful number, since it uses less digits than its factorization.

4894335649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875584 (or 5875577 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The square root of 4894335649 is about 69959.5286504991. The cubic root of 4894335649 is about 1697.8445171710.

It can be divided in two parts, 4894335 and 649, that added together give a palindrome (4894984).

The spelling of 4894335649 in words is "four billion, eight hundred ninety-four million, three hundred thirty-five thousand, six hundred forty-nine".