2564833853 has 2 divisors, whose sum is σ = 2564833854. Its totient is φ = 2564833852.

The previous prime is 2564833801. The next prime is 2564833861. The reversal of 2564833853 is 3583384652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1779321124 + 785512729 = 42182^2 + 28027^2 .

It is a cyclic number.

It is not a de Polignac number, because 2564833853 - 2²⁶ = 2497724989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2564833798 and 2564833807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564833153) 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 as a sum of consecutive naturals, namely, 1282416926 + 1282416927.

It is an arithmetic number, because the mean of its divisors is an integer number (1282416927).

Almost surely, 2^2564833853 is an apocalyptic number.

It is an amenable number.

2564833853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564833853 is an equidigital number, since it uses as much as digits as its factorization.

2564833853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 47.

The square root of 2564833853 is about 50644.1887386895. The cubic root of 2564833853 is about 1368.8412339317.

The spelling of 2564833853 in words is "two billion, five hundred sixty-four million, eight hundred thirty-three thousand, eight hundred fifty-three".