428714643719 has 4 divisors (see below), whose sum is σ = 430422670440. Its totient is φ = 427006617000.

The previous prime is 428714643659. The next prime is 428714643727. The reversal of 428714643719 is 917346417824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 428714643719 - 2¹² = 428714639623 is a prime.

It is a super-3 number, since 3×428714643719³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428714643739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854012984 + ... + 854013485.

It is an arithmetic number, because the mean of its divisors is an integer number (107605667610).

Almost surely, 2^428714643719 is an apocalyptic number.

428714643719 is a deficient number, since it is larger than the sum of its proper divisors (1708026721).

428714643719 is a wasteful number, since it uses less digits than its factorization.

428714643719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708026720.

The product of its digits is 8128512, while the sum is 56.

The spelling of 428714643719 in words is "four hundred twenty-eight billion, seven hundred fourteen million, six hundred forty-three thousand, seven hundred nineteen".