4999947609 has 16 divisors (see below), whose sum is σ = 6809546304. Its totient is φ = 3262521600.

The previous prime is 4999947599. The next prime is 4999947629. The reversal of 4999947609 is 9067499994.

4999947609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4999947609 - 2⁵ = 4999947577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4999947609.

It is not an unprimeable number, because it can be changed into a prime (4999947629) 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 15 ways as a sum of consecutive naturals, for example, 58452 + ... + 115829.

It is an arithmetic number, because the mean of its divisors is an integer number (425596644).

Almost surely, 2^4999947609 is an apocalyptic number.

It is an amenable number.

4999947609 is a deficient number, since it is larger than the sum of its proper divisors (1809598695).

4999947609 is a wasteful number, since it uses less digits than its factorization.

4999947609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174488.

The product of its (nonzero) digits is 39680928, while the sum is 66.

The square root of 4999947609 is about 70710.3076573706. The cubic root of 4999947609 is about 1709.9699741658.

The spelling of 4999947609 in words is "four billion, nine hundred ninety-nine million, nine hundred forty-seven thousand, six hundred nine".