428538368003 has 4 divisors (see below), whose sum is σ = 428543620920. Its totient is φ = 428533115088.

The previous prime is 428538367991. The next prime is 428538368021. The reversal of 428538368003 is 300863835824.

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 428538368003 - 2²² = 428534173699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428538368053) 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, 2502125 + ... + 2667902.

It is an arithmetic number, because the mean of its divisors is an integer number (107135905230).

Almost surely, 2^428538368003 is an apocalyptic number.

428538368003 is a deficient number, since it is larger than the sum of its proper divisors (5252917).

428538368003 is an equidigital number, since it uses as much as digits as its factorization.

428538368003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252916.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 428538368003 in words is "four hundred twenty-eight billion, five hundred thirty-eight million, three hundred sixty-eight thousand, three".