428618614719 has 16 divisors (see below), whose sum is σ = 580194800640. Its totient is φ = 281396639040.

The previous prime is 428618614691. The next prime is 428618614733. The reversal of 428618614719 is 917416816824.

It is not a de Polignac number, because 428618614719 - 2¹³ = 428618606527 is a prime.

It is a super-2 number, since 2×428618614719² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428618619719) 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 in 15 ways as a sum of consecutive naturals, for example, 357739 + ... + 992579.

It is an arithmetic number, because the mean of its divisors is an integer number (36262175040).

Almost surely, 2^428618614719 is an apocalyptic number.

428618614719 is a deficient number, since it is larger than the sum of its proper divisors (151576185921).

428618614719 is a wasteful number, since it uses less digits than its factorization.

428618614719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638270.

The product of its digits is 4644864, while the sum is 57.

The spelling of 428618614719 in words is "four hundred twenty-eight billion, six hundred eighteen million, six hundred fourteen thousand, seven hundred nineteen".