428018833727 has 2 divisors, whose sum is σ = 428018833728. Its totient is φ = 428018833726.

The previous prime is 428018833679. The next prime is 428018833733. The reversal of 428018833727 is 727338810824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428018833727 - 2¹² = 428018829631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428018833757) 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 as a sum of consecutive naturals, namely, 214009416863 + 214009416864.

It is an arithmetic number, because the mean of its divisors is an integer number (214009416864).

Almost surely, 2^428018833727 is an apocalyptic number.

428018833727 is a deficient number, since it is larger than the sum of its proper divisors (1).

428018833727 is an equidigital number, since it uses as much as digits as its factorization.

428018833727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 428018833727 in words is "four hundred twenty-eight billion, eighteen million, eight hundred thirty-three thousand, seven hundred twenty-seven".