428654519 has 12 divisors (see below), whose sum is σ = 452349576. Its totient is φ = 406131792.

The previous prime is 428654491. The next prime is 428654531. The reversal of 428654519 is 915456824.

It is not a de Polignac number, because 428654519 - 2⁸ = 428654263 is a prime.

It is a super-2 number, since 2×428654519² = 367489393318242722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428654519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428654819) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 52817 + ... + 60389.

It is an arithmetic number, because the mean of its divisors is an integer number (37695798).

Almost surely, 2^428654519 is an apocalyptic number.

428654519 is a deficient number, since it is larger than the sum of its proper divisors (23695057).

428654519 is a wasteful number, since it uses less digits than its factorization.

428654519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726 (or 7703 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 428654519 is about 20703.9735075178. The cubic root of 428654519 is about 753.9961625042.

The spelling of 428654519 in words is "four hundred twenty-eight million, six hundred fifty-four thousand, five hundred nineteen".