2582321591263 has 2 divisors, whose sum is σ = 2582321591264. Its totient is φ = 2582321591262.

The previous prime is 2582321591261. The next prime is 2582321591321. The reversal of 2582321591263 is 3621951232852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2582321591263 - 2¹ = 2582321591261 is a prime.

Together with 2582321591261, 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 (2582321591261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291160795631 + 1291160795632.

It is an arithmetic number, because the mean of its divisors is an integer number (1291160795632).

Almost surely, 2^{2582321591263} is an apocalyptic number.

2582321591263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582321591263 is an equidigital number, since it uses as much as digits as its factorization.

2582321591263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 49.

The spelling of 2582321591263 in words is "two trillion, five hundred eighty-two billion, three hundred twenty-one million, five hundred ninety-one thousand, two hundred sixty-three".