428683396516 has 24 divisors (see below), whose sum is σ = 764402115960. Its totient is φ = 210283337472.

The previous prime is 428683396499. The next prime is 428683396543. The reversal of 428683396516 is 615693386824.

It can be written as a sum of positive squares in 4 ways, for example, as 64536321600 + 364147074916 = 254040^2 + 603446^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3530950 + ... + 3650338.

It is an arithmetic number, because the mean of its divisors is an integer number (31850088165).

Almost surely, 2^428683396516 is an apocalyptic number.

It is an amenable number.

428683396516 is a deficient number, since it is larger than the sum of its proper divisors (335718719444).

428683396516 is a wasteful number, since it uses less digits than its factorization.

428683396516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136383 (or 136381 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 61.

The spelling of 428683396516 in words is "four hundred twenty-eight billion, six hundred eighty-three million, three hundred ninety-six thousand, five hundred sixteen".