428382826163 has 4 divisors (see below), whose sum is σ = 428469495648. Its totient is φ = 428296156680.

The previous prime is 428382826129. The next prime is 428382826211. The reversal of 428382826163 is 361628283824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428382826163 - 2¹⁴ = 428382809779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428382826063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43327328 + ... + 43337213.

It is an arithmetic number, because the mean of its divisors is an integer number (107117373912).

Almost surely, 2^428382826163 is an apocalyptic number.

428382826163 is a deficient number, since it is larger than the sum of its proper divisors (86669485).

428382826163 is an equidigital number, since it uses as much as digits as its factorization.

428382826163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86669484.

The product of its digits is 5308416, while the sum is 53.

The spelling of 428382826163 in words is "four hundred twenty-eight billion, three hundred eighty-two million, eight hundred twenty-six thousand, one hundred sixty-three".