428573030191 has 4 divisors (see below), whose sum is σ = 428879374000. Its totient is φ = 428266686384.

The previous prime is 428573030177. The next prime is 428573030243. The reversal of 428573030191 is 191030375824.

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 428573030191 - 2⁹ = 428573029679 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 (428573030891) 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 3 ways as a sum of consecutive naturals, for example, 153169806 + ... + 153172603.

It is an arithmetic number, because the mean of its divisors is an integer number (107219843500).

Almost surely, 2^428573030191 is an apocalyptic number.

428573030191 is a deficient number, since it is larger than the sum of its proper divisors (306343809).

428573030191 is a wasteful number, since it uses less digits than its factorization.

428573030191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306343808.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 428573030191 in words is "four hundred twenty-eight billion, five hundred seventy-three million, thirty thousand, one hundred ninety-one".