128673750459 has 8 divisors (see below), whose sum is σ = 171566890560. Its totient is φ = 85781555336.

The previous prime is 128673750451. The next prime is 128673750461. The reversal of 128673750459 is 954057376821.

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 128673750459 - 2³ = 128673750451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128673750399 and 128673750408.

It is not an unprimeable number, because it can be changed into a prime (128673750451) 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, 192784 + ... + 542690.

It is an arithmetic number, because the mean of its divisors is an integer number (21445861320).

It is a 1-persistent number, because it is pandigital, but 2⋅128673750459 = 257347500918 is not.

Almost surely, 2^128673750459 is an apocalyptic number.

128673750459 is a deficient number, since it is larger than the sum of its proper divisors (42893140101).

128673750459 is a wasteful number, since it uses less digits than its factorization.

128673750459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472489.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 128673750459 in words is "one hundred twenty-eight billion, six hundred seventy-three million, seven hundred fifty thousand, four hundred fifty-nine".