128964804395 has 8 divisors (see below), whose sum is σ = 176866017504. Its totient is φ = 88433008704.

The previous prime is 128964804389. The next prime is 128964804413. The reversal of 128964804395 is 593408469821.

It is a happy number.

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 128964804395 - 2¹⁸ = 128964542251 is a prime.

It is a super-2 number, since 2×128964804395² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842354314 + ... + 1842354383.

It is an arithmetic number, because the mean of its divisors is an integer number (22108252188).

Almost surely, 2^128964804395 is an apocalyptic number.

128964804395 is a deficient number, since it is larger than the sum of its proper divisors (47901213109).

128964804395 is an equidigital number, since it uses as much as digits as its factorization.

128964804395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684708709.

The product of its (nonzero) digits is 14929920, while the sum is 59.

The spelling of 128964804395 in words is "one hundred twenty-eight billion, nine hundred sixty-four million, eight hundred four thousand, three hundred ninety-five".