28626227219 has 2 divisors, whose sum is σ = 28626227220. Its totient is φ = 28626227218.

The previous prime is 28626227213. The next prime is 28626227221. The reversal of 28626227219 is 91272262682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28626227219 is a prime.

It is a super-3 number, since 3×28626227219³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 28626227221, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28626227213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14313113609 + 14313113610.

It is an arithmetic number, because the mean of its divisors is an integer number (14313113610).

Almost surely, 2^28626227219 is an apocalyptic number.

28626227219 is a deficient number, since it is larger than the sum of its proper divisors (1).

28626227219 is an equidigital number, since it uses as much as digits as its factorization.

28626227219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 47.

The spelling of 28626227219 in words is "twenty-eight billion, six hundred twenty-six million, two hundred twenty-seven thousand, two hundred nineteen".