2856538844 has 6 divisors (see below), whose sum is σ = 4998942984. Its totient is φ = 1428269420.

The previous prime is 2856538829. The next prime is 2856538847. The reversal of 2856538844 is 4488356582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856538847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357067352 + ... + 357067359.

It is an arithmetic number, because the mean of its divisors is an integer number (833157164).

Almost surely, 2^2856538844 is an apocalyptic number.

It is an amenable number.

2856538844 is a deficient number, since it is larger than the sum of its proper divisors (2142404140).

2856538844 is a wasteful number, since it uses less digits than its factorization.

2856538844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714134715 (or 714134713 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 53.

The square root of 2856538844 is about 53446.5980582488. The cubic root of 2856538844 is about 1418.8834117163.

The spelling of 2856538844 in words is "two billion, eight hundred fifty-six million, five hundred thirty-eight thousand, eight hundred forty-four".