2573934868 has 6 divisors (see below), whose sum is σ = 4504386026. Its totient is φ = 1286967432.

The previous prime is 2573934821. The next prime is 2573934871. The reversal of 2573934868 is 8684393752.

It can be written as a sum of positive squares in only one way, i.e., 1610577424 + 963357444 = 40132^2 + 31038^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 321741855 + ... + 321741862.

Almost surely, 2^2573934868 is an apocalyptic number.

It is an amenable number.

2573934868 is a deficient number, since it is larger than the sum of its proper divisors (1930451158).

2573934868 is a wasteful number, since it uses less digits than its factorization.

2573934868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643483721 (or 643483719 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The square root of 2573934868 is about 50733.9616824864. The cubic root of 2573934868 is about 1370.4583807235.

The spelling of 2573934868 in words is "two billion, five hundred seventy-three million, nine hundred thirty-four thousand, eight hundred sixty-eight".