428683396519 has 16 divisors (see below), whose sum is σ = 493665192000. Its totient is φ = 364638726144.

The previous prime is 428683396499. The next prime is 428683396543. The reversal of 428683396519 is 915693386824.

It is not a de Polignac number, because 428683396519 - 2²¹ = 428681299367 is a prime.

It is a super-2 number, since 2×428683396519² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428683396819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850687 + ... + 2997295.

It is an arithmetic number, because the mean of its divisors is an integer number (30854074500).

Almost surely, 2^428683396519 is an apocalyptic number.

428683396519 is a deficient number, since it is larger than the sum of its proper divisors (64981795481).

428683396519 is a wasteful number, since it uses less digits than its factorization.

428683396519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149802.

The product of its digits is 67184640, while the sum is 64.

The spelling of 428683396519 in words is "four hundred twenty-eight billion, six hundred eighty-three million, three hundred ninety-six thousand, five hundred nineteen".