2563344313 has 4 divisors (see below), whose sum is σ = 2625864948. Its totient is φ = 2500823680.

The previous prime is 2563344293. The next prime is 2563344383. The reversal of 2563344313 is 3134433652.

2563344313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 387774864 + 2175569449 = 19692^2 + 46643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563344313 - 2⁵ = 2563344281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2563344383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31260256 + ... + 31260337.

It is an arithmetic number, because the mean of its divisors is an integer number (656466237).

Almost surely, 2^2563344313 is an apocalyptic number.

It is an amenable number.

2563344313 is a deficient number, since it is larger than the sum of its proper divisors (62520635).

2563344313 is an equidigital number, since it uses as much as digits as its factorization.

2563344313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62520634.

The product of its digits is 77760, while the sum is 34.

The square root of 2563344313 is about 50629.4806708503. The cubic root of 2563344313 is about 1368.5761955024.

Adding to 2563344313 its reverse (3134433652), we get a palindrome (5697777965).

The spelling of 2563344313 in words is "two billion, five hundred sixty-three million, three hundred forty-four thousand, three hundred thirteen".