428585824044673 has 8 divisors (see below), whose sum is σ = 430173268892136. Its totient is φ = 427001226633600.

The previous prime is 428585824044671. The next prime is 428585824044683. The reversal of 428585824044673 is 376440428585824.

It can be written as a sum of positive squares in 4 ways, for example, as 7255518670449 + 421330305374224 = 2693607^2 + 20526332^2 .

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 428585824044673 - 2¹ = 428585824044671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428585824044671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711557508 + ... + 712159573.

It is an arithmetic number, because the mean of its divisors is an integer number (53771658611517).

Almost surely, 2^{428585824044673} is an apocalyptic number.

It is an amenable number.

428585824044673 is a deficient number, since it is larger than the sum of its proper divisors (1587444847463).

428585824044673 is a wasteful number, since it uses less digits than its factorization.

428585824044673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423718195.

The product of its (nonzero) digits is 1651507200, while the sum is 70.

The spelling of 428585824044673 in words is "four hundred twenty-eight trillion, five hundred eighty-five billion, eight hundred twenty-four million, forty-four thousand, six hundred seventy-three".