428309059959 has 64 divisors (see below), whose sum is σ = 731164262400. Its totient is φ = 245365394400.

The previous prime is 428309059951. The next prime is 428309060029. The reversal of 428309059959 is 959950903824.

428309059959 is a `hidden beast` number, since 4 + 2 + 8 + 30 + 9 + 0 + 599 + 5 + 9 = 666.

It is not a de Polignac number, because 428309059959 - 2³ = 428309059951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428309059896 and 428309059905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428309059951) 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 63 ways as a sum of consecutive naturals, for example, 145029 + ... + 936830.

It is an arithmetic number, because the mean of its divisors is an integer number (11424441600).

Almost surely, 2^428309059959 is an apocalyptic number.

428309059959 is a deficient number, since it is larger than the sum of its proper divisors (302855202441).

428309059959 is a wasteful number, since it uses less digits than its factorization.

428309059959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081953 (or 1081947 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 63.

The spelling of 428309059959 in words is "four hundred twenty-eight billion, three hundred nine million, fifty-nine thousand, nine hundred fifty-nine".