2573435444 has 24 divisors (see below), whose sum is σ = 4533677568. Its totient is φ = 1278119360.

The previous prime is 2573435443. The next prime is 2573435461. The reversal of 2573435444 is 4445343752.

2573435444 = 457² + 458² + ... + 1984².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573435441) 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 7 ways as a sum of consecutive naturals, for example, 629792 + ... + 633864.

It is an arithmetic number, because the mean of its divisors is an integer number (188903232).

Almost surely, 2^2573435444 is an apocalyptic number.

It is an amenable number.

2573435444 is a deficient number, since it is larger than the sum of its proper divisors (1960242124).

2573435444 is a wasteful number, since it uses less digits than its factorization.

2573435444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095 (or 5093 counting only the distinct ones).

The product of its digits is 806400, while the sum is 41.

The square root of 2573435444 is about 50729.0394547344. The cubic root of 2573435444 is about 1370.3697377036.

The spelling of 2573435444 in words is "two billion, five hundred seventy-three million, four hundred thirty-five thousand, four hundred forty-four".