2563305339 has 64 divisors (see below), whose sum is σ = 4340293632. Its totient is φ = 1311897600.

The previous prime is 2563305319. The next prime is 2563305343. The reversal of 2563305339 is 9335033652.

It is not a de Polignac number, because 2563305339 - 2⁵ = 2563305307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2563305297 and 2563305306.

It is not an unprimeable number, because it can be changed into a prime (2563305319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673189 + ... + 676985.

It is an arithmetic number, because the mean of its divisors is an integer number (67817088).

Almost surely, 2^2563305339 is an apocalyptic number.

2563305339 is a deficient number, since it is larger than the sum of its proper divisors (1776988293).

2563305339 is a wasteful number, since it uses less digits than its factorization.

2563305339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its (nonzero) digits is 218700, while the sum is 39.

The square root of 2563305339 is about 50629.0957750580. The cubic root of 2563305339 is about 1368.5692593606.

The spelling of 2563305339 in words is "two billion, five hundred sixty-three million, three hundred five thousand, three hundred thirty-nine".