428532809433 has 8 divisors (see below), whose sum is σ = 571386350496. Its totient is φ = 285683904000.

The previous prime is 428532809401. The next prime is 428532809437. The reversal of 428532809433 is 334908235824.

It is a happy number.

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

It is not a de Polignac number, because 428532809433 - 2⁵ = 428532809401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428532809437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937143 + ... + 1317308.

It is an arithmetic number, because the mean of its divisors is an integer number (71423293812).

Almost surely, 2^428532809433 is an apocalyptic number.

It is an amenable number.

428532809433 is a deficient number, since it is larger than the sum of its proper divisors (142853541063).

428532809433 is a wasteful number, since it uses less digits than its factorization.

428532809433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317815.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 428532809433 in words is "four hundred twenty-eight billion, five hundred thirty-two million, eight hundred nine thousand, four hundred thirty-three".