28252442663 has 2 divisors, whose sum is σ = 28252442664. Its totient is φ = 28252442662.

The previous prime is 28252442599. The next prime is 28252442717. The reversal of 28252442663 is 36624425282.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28252442663 - 2⁶ = 28252442599 is a prime.

It is a super-2 number, since 2×28252442663² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28252442063) 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, 14126221331 + 14126221332.

It is an arithmetic number, because the mean of its divisors is an integer number (14126221332).

Almost surely, 2^28252442663 is an apocalyptic number.

28252442663 is a deficient number, since it is larger than the sum of its proper divisors (1).

28252442663 is an equidigital number, since it uses as much as digits as its factorization.

28252442663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 44.

The spelling of 28252442663 in words is "twenty-eight billion, two hundred fifty-two million, four hundred forty-two thousand, six hundred sixty-three".