428754821735 has 8 divisors (see below), whose sum is σ = 528411348096. Its totient is φ = 333733482720.

The previous prime is 428754821681. The next prime is 428754821749. The reversal of 428754821735 is 537128457824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-428754821735 is a prime.

It is a super-2 number, since 2×428754821735² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158796631 + ... + 1158797000.

It is an arithmetic number, because the mean of its divisors is an integer number (66051418512).

Almost surely, 2^428754821735 is an apocalyptic number.

428754821735 is a deficient number, since it is larger than the sum of its proper divisors (99656526361).

428754821735 is a wasteful number, since it uses less digits than its factorization.

428754821735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317593673.

The product of its digits is 15052800, while the sum is 56.

The spelling of 428754821735 in words is "four hundred twenty-eight billion, seven hundred fifty-four million, eight hundred twenty-one thousand, seven hundred thirty-five".