428333275603 has 4 divisors (see below), whose sum is σ = 437446749600. Its totient is φ = 419219801608.

The previous prime is 428333275567. The next prime is 428333275613. The reversal of 428333275603 is 306572333824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428333275603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428333275613) 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, 4556736928 + ... + 4556737021.

It is an arithmetic number, because the mean of its divisors is an integer number (109361687400).

Almost surely, 2^428333275603 is an apocalyptic number.

428333275603 is a deficient number, since it is larger than the sum of its proper divisors (9113473997).

428333275603 is an equidigital number, since it uses as much as digits as its factorization.

428333275603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113473996.

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 428333275603 in words is "four hundred twenty-eight billion, three hundred thirty-three million, two hundred seventy-five thousand, six hundred three".