4943978825 has 12 divisors (see below), whose sum is σ = 6184789788. Its totient is φ = 3920179200.

The previous prime is 4943978803. The next prime is 4943978857. The reversal of 4943978825 is 5288793494.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 154231561 + 4789747264 = 12419^2 + 69208^2 .

It is not a de Polignac number, because 4943978825 - 2⁶ = 4943978761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 872216 + ... + 877865.

It is an arithmetic number, because the mean of its divisors is an integer number (515399149).

Almost surely, 2^4943978825 is an apocalyptic number.

It is an amenable number.

4943978825 is a deficient number, since it is larger than the sum of its proper divisors (1240810963).

4943978825 is a wasteful number, since it uses less digits than its factorization.

4943978825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750204 (or 1750199 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The square root of 4943978825 is about 70313.4327493687. The cubic root of 4943978825 is about 1703.5656216854.

The spelling of 4943978825 in words is "four billion, nine hundred forty-three million, nine hundred seventy-eight thousand, eight hundred twenty-five".