428914691588 has 24 divisors (see below), whose sum is σ = 794953309920. Its totient is φ = 201923668800.

The previous prime is 428914691587. The next prime is 428914691629. The reversal of 428914691588 is 885196419824.

It is not an unprimeable number, because it can be changed into a prime (428914691587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17299313 + ... + 17324088.

It is an arithmetic number, because the mean of its divisors is an integer number (33123054580).

Almost surely, 2^428914691588 is an apocalyptic number.

It is an amenable number.

428914691588 is a deficient number, since it is larger than the sum of its proper divisors (366038618332).

428914691588 is a wasteful number, since it uses less digits than its factorization.

428914691588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34623587 (or 34623585 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 65.

The spelling of 428914691588 in words is "four hundred twenty-eight billion, nine hundred fourteen million, six hundred ninety-one thousand, five hundred eighty-eight".