4945788939 has 32 divisors (see below), whose sum is σ = 8543342080. Its totient is φ = 2471461632.

The previous prime is 4945788893. The next prime is 4945788979. The reversal of 4945788939 is 9398875494.

It is not a de Polignac number, because 4945788939 - 2¹⁶ = 4945723403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4945788939.

It is not an unprimeable number, because it can be changed into a prime (4945788979) 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 31 ways as a sum of consecutive naturals, for example, 471562 + ... + 481935.

It is an arithmetic number, because the mean of its divisors is an integer number (266979440).

Almost surely, 2^4945788939 is an apocalyptic number.

4945788939 is a deficient number, since it is larger than the sum of its proper divisors (3597553141).

4945788939 is a wasteful number, since it uses less digits than its factorization.

4945788939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953539.

The product of its digits is 78382080, while the sum is 66.

The square root of 4945788939 is about 70326.3033224412. The cubic root of 4945788939 is about 1703.7735022767.

The spelling of 4945788939 in words is "four billion, nine hundred forty-five million, seven hundred eighty-eight thousand, nine hundred thirty-nine".