128319194573 has 8 divisors (see below), whose sum is σ = 131933993856. Its totient is φ = 124727493600.

The previous prime is 128319194551. The next prime is 128319194659. The reversal of 128319194573 is 375491913821.

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 128319194573 - 2¹⁸ = 128318932429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128319194473) 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, 5763311 + ... + 5785532.

It is an arithmetic number, because the mean of its divisors is an integer number (16491749232).

Almost surely, 2^128319194573 is an apocalyptic number.

It is an amenable number.

128319194573 is a deficient number, since it is larger than the sum of its proper divisors (3614799283).

128319194573 is a wasteful number, since it uses less digits than its factorization.

128319194573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549155.

The product of its digits is 1632960, while the sum is 53.

The spelling of 128319194573 in words is "one hundred twenty-eight billion, three hundred nineteen million, one hundred ninety-four thousand, five hundred seventy-three".