428106068917 has 16 divisors (see below), whose sum is σ = 440015284800. Its totient is φ = 416268927360.

The previous prime is 428106068909. The next prime is 428106069023. The reversal of 428106068917 is 719860601824.

It is a cyclic number.

It is not a de Polignac number, because 428106068917 - 2³ = 428106068909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428106368917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16434259 + ... + 16460287.

It is an arithmetic number, because the mean of its divisors is an integer number (27500955300).

Almost surely, 2^428106068917 is an apocalyptic number.

It is an amenable number.

428106068917 is a deficient number, since it is larger than the sum of its proper divisors (11909215883).

428106068917 is a wasteful number, since it uses less digits than its factorization.

428106068917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27396.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 428106068917 in words is "four hundred twenty-eight billion, one hundred six million, sixty-eight thousand, nine hundred seventeen".