428101608543 has 8 divisors (see below), whose sum is σ = 652345308288. Its totient is φ = 244629490584.

The previous prime is 428101608521. The next prime is 428101608559. The reversal of 428101608543 is 345806101824.

It is a happy number.

428101608543 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 428101608543 - 2⁸ = 428101608287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428101608495 and 428101608504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428101608563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10192895421 + ... + 10192895462.

It is an arithmetic number, because the mean of its divisors is an integer number (81543163536).

Almost surely, 2^428101608543 is an apocalyptic number.

428101608543 is a deficient number, since it is larger than the sum of its proper divisors (224243699745).

428101608543 is a wasteful number, since it uses less digits than its factorization.

428101608543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20385790893.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 428101608543 in words is "four hundred twenty-eight billion, one hundred one million, six hundred eight thousand, five hundred forty-three".