428603189033 has 4 divisors (see below), whose sum is σ = 428612954880. Its totient is φ = 428593423188.

The previous prime is 428603189023. The next prime is 428603189059. The reversal of 428603189033 is 330981306824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428603189033 - 2³⁰ = 427529447209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428603189023) 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, 4816793 + ... + 4904966.

It is an arithmetic number, because the mean of its divisors is an integer number (107153238720).

Almost surely, 2^428603189033 is an apocalyptic number.

It is an amenable number.

428603189033 is a deficient number, since it is larger than the sum of its proper divisors (9765847).

428603189033 is an equidigital number, since it uses as much as digits as its factorization.

428603189033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765846.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 428603189033 in words is "four hundred twenty-eight billion, six hundred three million, one hundred eighty-nine thousand, thirty-three".