4900009689 has 24 divisors (see below), whose sum is σ = 7225542792. Its totient is φ = 3198723840.

The previous prime is 4900009687. The next prime is 4900009703. The reversal of 4900009689 is 9869000094.

It can be written as a sum of positive squares in 4 ways, for example, as 82955664 + 4817054025 = 9108^2 + 69405^2 .

It is not a de Polignac number, because 4900009689 - 2¹ = 4900009687 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4900009687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238659 + ... + 258375.

It is an arithmetic number, because the mean of its divisors is an integer number (301064283).

Almost surely, 2^4900009689 is an apocalyptic number.

It is an amenable number.

4900009689 is a deficient number, since it is larger than the sum of its proper divisors (2325533103).

4900009689 is a wasteful number, since it uses less digits than its factorization.

4900009689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20297 (or 20294 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4900009689 is about 70000.0692071086. The cubic root of 4900009689 is about 1698.5003717485.

The spelling of 4900009689 in words is "four billion, nine hundred million, nine thousand, six hundred eighty-nine".