4889498649 has 16 divisors (see below), whose sum is σ = 7467497472. Its totient is φ = 2787686928.

The previous prime is 4889498633. The next prime is 4889498651. The reversal of 4889498649 is 9468949884.

It is not a de Polignac number, because 4889498649 - 2⁴ = 4889498633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4889498749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253489 + ... + 272094.

It is an arithmetic number, because the mean of its divisors is an integer number (466718592).

Almost surely, 2^4889498649 is an apocalyptic number.

It is an amenable number.

4889498649 is a deficient number, since it is larger than the sum of its proper divisors (2577998823).

4889498649 is a wasteful number, since it uses less digits than its factorization.

4889498649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526036.

The product of its digits is 143327232, while the sum is 69.

The square root of 4889498649 is about 69924.9501179658. The cubic root of 4889498649 is about 1697.2850145523.

The spelling of 4889498649 in words is "four billion, eight hundred eighty-nine million, four hundred ninety-eight thousand, six hundred forty-nine".