428597467209 has 32 divisors (see below), whose sum is σ = 659460096000. Its totient is φ = 274912331472.

The previous prime is 428597467159. The next prime is 428597467229. The reversal of 428597467209 is 902764795824.

428597467209 is a `hidden beast` number, since 4 + 2 + 85 + 97 + 467 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 428597467209 - 2⁸ = 428597466953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428597467229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2787369 + ... + 2937110.

It is an arithmetic number, because the mean of its divisors is an integer number (20608128000).

Almost surely, 2^428597467209 is an apocalyptic number.

It is an amenable number.

428597467209 is a deficient number, since it is larger than the sum of its proper divisors (230862628791).

428597467209 is a wasteful number, since it uses less digits than its factorization.

428597467209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724594 (or 5724588 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 63.

The spelling of 428597467209 in words is "four hundred twenty-eight billion, five hundred ninety-seven million, four hundred sixty-seven thousand, two hundred nine".