128554709359 has 4 divisors (see below), whose sum is σ = 136116751104. Its totient is φ = 120992667616.

The previous prime is 128554709351. The next prime is 128554709419. The reversal of 128554709359 is 953907455821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953907455821 = 1433 ⋅665671637.

It is a cyclic number.

It is not a de Polignac number, because 128554709359 - 2³ = 128554709351 is a prime.

It is a super-4 number, since 4×128554709359⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128554709351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781020847 + ... + 3781020880.

It is an arithmetic number, because the mean of its divisors is an integer number (34029187776).

Almost surely, 2^128554709359 is an apocalyptic number.

128554709359 is a deficient number, since it is larger than the sum of its proper divisors (7562041745).

128554709359 is an equidigital number, since it uses as much as digits as its factorization.

128554709359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7562041744.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 128554709359 in words is "one hundred twenty-eight billion, five hundred fifty-four million, seven hundred nine thousand, three hundred fifty-nine".