428394305273 has 8 divisors (see below), whose sum is σ = 467349981120. Its totient is φ = 389440419280.

The previous prime is 428394305263. The next prime is 428394305299. The reversal of 428394305273 is 372503493824.

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

It is a de Polignac number, because none of the positive numbers 2^k-428394305273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428394305233) 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, 80036 + ... + 929082.

It is an arithmetic number, because the mean of its divisors is an integer number (58418747640).

Almost surely, 2^428394305273 is an apocalyptic number.

It is an amenable number.

428394305273 is a deficient number, since it is larger than the sum of its proper divisors (38955675847).

428394305273 is a wasteful number, since it uses less digits than its factorization.

428394305273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894927.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 428394305273 in words is "four hundred twenty-eight billion, three hundred ninety-four million, three hundred five thousand, two hundred seventy-three".