2543028939 has 80 divisors (see below), whose sum is σ = 4277940480. Its totient is φ = 1492344000.

The previous prime is 2543028931. The next prime is 2543028941. The reversal of 2543028939 is 9398203452.

It is a happy number.

2543028939 is a `hidden beast` number, since 254 + 302 + 8 + 93 + 9 = 666.

It is not a de Polignac number, because 2543028939 - 2³ = 2543028931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543028894 and 2543028903.

It is not an unprimeable number, because it can be changed into a prime (2543028931) 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 79 ways as a sum of consecutive naturals, for example, 3858592 + ... + 3859250.

It is an arithmetic number, because the mean of its divisors is an integer number (53474256).

Almost surely, 2^2543028939 is an apocalyptic number.

2543028939 is a deficient number, since it is larger than the sum of its proper divisors (1734911541).

2543028939 is a wasteful number, since it uses less digits than its factorization.

2543028939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 2543028939 is about 50428.4536645731. The cubic root of 2543028939 is about 1364.9511249255.

The spelling of 2543028939 in words is "two billion, five hundred forty-three million, twenty-eight thousand, nine hundred thirty-nine".