428130217043 has 4 divisors (see below), whose sum is σ = 428349885600. Its totient is φ = 427910548488.

The previous prime is 428130217037. The next prime is 428130217093. The reversal of 428130217043 is 340712031824.

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 428130217043 - 2⁴ = 428130217027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428130216994 and 428130217012.

It is not an unprimeable number, because it can be changed into a prime (428130217033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109831355 + ... + 109835252.

It is an arithmetic number, because the mean of its divisors is an integer number (107087471400).

Almost surely, 2^428130217043 is an apocalyptic number.

428130217043 is a deficient number, since it is larger than the sum of its proper divisors (219668557).

428130217043 is a wasteful number, since it uses less digits than its factorization.

428130217043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219668556.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 428130217043 its reverse (340712031824), we get a palindrome (768842248867).

The spelling of 428130217043 in words is "four hundred twenty-eight billion, one hundred thirty million, two hundred seventeen thousand, forty-three".