2641358263 has 2 divisors, whose sum is σ = 2641358264. Its totient is φ = 2641358262.

The previous prime is 2641358261. The next prime is 2641358267. The reversal of 2641358263 is 3628531462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2641358263 - 2¹ = 2641358261 is a prime.

Together with 2641358261, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641358261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320679131 + 1320679132.

It is an arithmetic number, because the mean of its divisors is an integer number (1320679132).

Almost surely, 2^2641358263 is an apocalyptic number.

2641358263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641358263 is an equidigital number, since it uses as much as digits as its factorization.

2641358263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 40.

The square root of 2641358263 is about 51394.1461939003. The cubic root of 2641358263 is about 1382.3216299148.

The spelling of 2641358263 in words is "two billion, six hundred forty-one million, three hundred fifty-eight thousand, two hundred sixty-three".