428683396518 has 64 divisors (see below), whose sum is σ = 1050931224000. Its totient is φ = 128685438720.

The previous prime is 428683396499. The next prime is 428683396543. The reversal of 428683396518 is 815693386824.

It is a happy number.

428683396518 is a `hidden beast` number, since 4 + 2 + 8 + 6 + 83 + 39 + 6 + 518 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7418293 + ... + 7475856.

It is an arithmetic number, because the mean of its divisors is an integer number (16420800375).

Almost surely, 2^428683396518 is an apocalyptic number.

428683396518 is an abundant number, since it is smaller than the sum of its proper divisors (622247827482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428683396518 is a wasteful number, since it uses less digits than its factorization.

428683396518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894214 (or 14894208 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 63.

The spelling of 428683396518 in words is "four hundred twenty-eight billion, six hundred eighty-three million, three hundred ninety-six thousand, five hundred eighteen".