2634006563 has 2 divisors, whose sum is σ = 2634006564. Its totient is φ = 2634006562.

The previous prime is 2634006553. The next prime is 2634006569. The reversal of 2634006563 is 3656004362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2634006563 - 2⁴ = 2634006547 is a prime.

It is not a weakly prime, because it can be changed into another prime (2634006569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317003281 + 1317003282.

It is an arithmetic number, because the mean of its divisors is an integer number (1317003282).

Almost surely, 2^2634006563 is an apocalyptic number.

2634006563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634006563 is an equidigital number, since it uses as much as digits as its factorization.

2634006563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 2634006563 is about 51322.5736201917. The cubic root of 2634006563 is about 1381.0379649871.

The spelling of 2634006563 in words is "two billion, six hundred thirty-four million, six thousand, five hundred sixty-three".