428019918711 has 16 divisors (see below), whose sum is σ = 711513631488. Its totient is φ = 222348009600.

The previous prime is 428019918701. The next prime is 428019918713. The reversal of 428019918711 is 117819910824.

It is not a de Polignac number, because 428019918711 - 2⁷ = 428019918583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428019918713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926449810 + ... + 926450271.

It is an arithmetic number, because the mean of its divisors is an integer number (44469601968).

Almost surely, 2^428019918711 is an apocalyptic number.

428019918711 is a deficient number, since it is larger than the sum of its proper divisors (283493712777).

428019918711 is a wasteful number, since it uses less digits than its factorization.

428019918711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852900102.

The product of its (nonzero) digits is 290304, while the sum is 51.

It can be divided in two parts, 4280 and 19918711, that added together give a palindrome (19922991).

The spelling of 428019918711 in words is "four hundred twenty-eight billion, nineteen million, nine hundred eighteen thousand, seven hundred eleven".