3475128686 has 32 divisors (see below), whose sum is σ = 5321272320. Its totient is φ = 1701907200.

The previous prime is 3475128649. The next prime is 3475128697. The reversal of 3475128686 is 6868215743.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12366866 + ... + 12367146.

It is an arithmetic number, because the mean of its divisors is an integer number (166289760).

Almost surely, 2^3475128686 is an apocalyptic number.

3475128686 is a deficient number, since it is larger than the sum of its proper divisors (1846143634).

3475128686 is a wasteful number, since it uses less digits than its factorization.

3475128686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 1935360, while the sum is 50.

The square root of 3475128686 is about 58950.2221030591. Note that the first 3 decimals coincide. The cubic root of 3475128686 is about 1514.6895544735.

The spelling of 3475128686 in words is "three billion, four hundred seventy-five million, one hundred twenty-eight thousand, six hundred eighty-six".