28214814819 has 8 divisors (see below), whose sum is σ = 37650669840. Its totient is φ = 18794418176.

The previous prime is 28214814791. The next prime is 28214814833. The reversal of 28214814819 is 91841841282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28214814819 - 2⁵ = 28214814787 is a prime.

It is a super-2 number, since 2×28214814819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28214814839) 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 in 7 ways as a sum of consecutive naturals, for example, 3860334 + ... + 3867635.

It is an arithmetic number, because the mean of its divisors is an integer number (4706333730).

Almost surely, 2^28214814819 is an apocalyptic number.

28214814819 is a deficient number, since it is larger than the sum of its proper divisors (9435855021).

28214814819 is a wasteful number, since it uses less digits than its factorization.

28214814819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729189.

The product of its digits is 294912, while the sum is 48.

The spelling of 28214814819 in words is "twenty-eight billion, two hundred fourteen million, eight hundred fourteen thousand, eight hundred nineteen".