128488964269 has 8 divisors (see below), whose sum is σ = 132656510720. Its totient is φ = 124322839200.

The previous prime is 128488964251. The next prime is 128488964287. The reversal of 128488964269 is 962469884821.

It is an interprime number because it is at equal distance from previous prime (128488964251) and next prime (128488964287).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128488964269 - 2³¹ = 126341480621 is a prime.

It is a super-2 number, since 2×128488964269² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128488964299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170079 + ... + 534700.

It is an arithmetic number, because the mean of its divisors is an integer number (16582063840).

Almost surely, 2^128488964269 is an apocalyptic number.

It is an amenable number.

128488964269 is a deficient number, since it is larger than the sum of its proper divisors (4167546451).

128488964269 is an equidigital number, since it uses as much as digits as its factorization.

128488964269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710691.

The product of its digits is 95551488, while the sum is 67.

The spelling of 128488964269 in words is "one hundred twenty-eight billion, four hundred eighty-eight million, nine hundred sixty-four thousand, two hundred sixty-nine".