4128933328847 has 4 divisors (see below), whose sum is σ = 4166813451240. Its totient is φ = 4091053206456.

The previous prime is 4128933328811. The next prime is 4128933328951. The reversal of 4128933328847 is 7488233398214.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4128933328847 - 2²⁶ = 4128866219983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4128933328847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128933318847) 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, 18940061033 + ... + 18940061250.

It is an arithmetic number, because the mean of its divisors is an integer number (1041703362810).

Almost surely, 2^{4128933328847} is an apocalyptic number.

4128933328847 is a deficient number, since it is larger than the sum of its proper divisors (37880122393).

4128933328847 is a wasteful number, since it uses less digits than its factorization.

4128933328847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37880122392.

The product of its digits is 55738368, while the sum is 62.

The spelling of 4128933328847 in words is "four trillion, one hundred twenty-eight billion, nine hundred thirty-three million, three hundred twenty-eight thousand, eight hundred forty-seven".