28228921463 has 2 divisors, whose sum is σ = 28228921464. Its totient is φ = 28228921462.

The previous prime is 28228921429. The next prime is 28228921489. The reversal of 28228921463 is 36412982282.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28228921463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28228921493) 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, 14114460731 + 14114460732.

It is an arithmetic number, because the mean of its divisors is an integer number (14114460732).

Almost surely, 2^28228921463 is an apocalyptic number.

28228921463 is a deficient number, since it is larger than the sum of its proper divisors (1).

28228921463 is an equidigital number, since it uses as much as digits as its factorization.

28228921463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 47.

The spelling of 28228921463 in words is "twenty-eight billion, two hundred twenty-eight million, nine hundred twenty-one thousand, four hundred sixty-three".