28635265163 has 2 divisors, whose sum is σ = 28635265164. Its totient is φ = 28635265162.

The previous prime is 28635265159. The next prime is 28635265181. The reversal of 28635265163 is 36156253682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28635265163 - 2² = 28635265159 is a prime.

It is not a weakly prime, because it can be changed into another prime (28635265193) 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 as a sum of consecutive naturals, namely, 14317632581 + 14317632582.

It is an arithmetic number, because the mean of its divisors is an integer number (14317632582).

Almost surely, 2^28635265163 is an apocalyptic number.

28635265163 is a deficient number, since it is larger than the sum of its proper divisors (1).

28635265163 is an equidigital number, since it uses as much as digits as its factorization.

28635265163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 47.

The spelling of 28635265163 in words is "twenty-eight billion, six hundred thirty-five million, two hundred sixty-five thousand, one hundred sixty-three".