128669224434 has 8 divisors (see below), whose sum is σ = 257338448880. Its totient is φ = 42889741476.

The previous prime is 128669224429. The next prime is 128669224483. The reversal of 128669224434 is 434422966821.

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

128669224434 is an admirable number.

It is a super-3 number, since 3×128669224434³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10722435364 + ... + 10722435375.

It is an arithmetic number, because the mean of its divisors is an integer number (32167306110).

Almost surely, 2^128669224434 is an apocalyptic number.

128669224434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128669224434 is a wasteful number, since it uses less digits than its factorization.

128669224434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21444870744.

The product of its digits is 3981312, while the sum is 51.

The spelling of 128669224434 in words is "one hundred twenty-eight billion, six hundred sixty-nine million, two hundred twenty-four thousand, four hundred thirty-four".