3128633330685 has 8 divisors (see below), whose sum is σ = 5005813329120. Its totient is φ = 1668604443024.

The previous prime is 3128633330677. The next prime is 3128633330723. The reversal of 3128633330685 is 5860333368213.

3128633330685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3128633330685 - 2³ = 3128633330677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104287777675 + ... + 104287777704.

It is an arithmetic number, because the mean of its divisors is an integer number (625726666140).

Almost surely, 2^{3128633330685} is an apocalyptic number.

It is an amenable number.

3128633330685 is a deficient number, since it is larger than the sum of its proper divisors (1877179998435).

3128633330685 is a wasteful number, since it uses less digits than its factorization.

3128633330685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208575555387.

The product of its (nonzero) digits is 5598720, while the sum is 51.

Adding to 3128633330685 its reverse (5860333368213), we get a palindrome (8988966698898).

The spelling of 3128633330685 in words is "three trillion, one hundred twenty-eight billion, six hundred thirty-three million, three hundred thirty thousand, six hundred eighty-five".