69428228217 has 8 divisors (see below), whose sum is σ = 92651262624. Its totient is φ = 46245339648.

The previous prime is 69428228209. The next prime is 69428228227. The reversal of 69428228217 is 71282282496.

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

It is not a de Polignac number, because 69428228217 - 2³ = 69428228209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69428228217.

It is not an unprimeable number, because it can be changed into a prime (69428228227) 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 in 7 ways as a sum of consecutive naturals, for example, 10032423 + ... + 10039340.

It is an arithmetic number, because the mean of its divisors is an integer number (11581407828).

Almost surely, 2^69428228217 is an apocalyptic number.

It is an amenable number.

69428228217 is a deficient number, since it is larger than the sum of its proper divisors (23223034407).

69428228217 is a wasteful number, since it uses less digits than its factorization.

69428228217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20072919.

The product of its digits is 1548288, while the sum is 51.

The spelling of 69428228217 in words is "sixty-nine billion, four hundred twenty-eight million, two hundred twenty-eight thousand, two hundred seventeen".