6750474845 has 4 divisors (see below), whose sum is σ = 8100569820. Its totient is φ = 5400379872.

The previous prime is 6750474839. The next prime is 6750474883. The reversal of 6750474845 is 5484740576.

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

It can be written as a sum of positive squares in 2 ways, for example, as 863595769 + 5886879076 = 29387^2 + 76726^2 .

It is a cyclic number.

It is not a de Polignac number, because 6750474845 - 2⁸ = 6750474589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6750474793 and 6750474802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675047480 + ... + 675047489.

It is an arithmetic number, because the mean of its divisors is an integer number (2025142455).

Almost surely, 2^6750474845 is an apocalyptic number.

It is an amenable number.

6750474845 is a deficient number, since it is larger than the sum of its proper divisors (1350094975).

6750474845 is a wasteful number, since it uses less digits than its factorization.

6750474845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350094974.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The square root of 6750474845 is about 82161.2733895964. The cubic root of 6750474845 is about 1889.9258898929.

The spelling of 6750474845 in words is "six billion, seven hundred fifty million, four hundred seventy-four thousand, eight hundred forty-five".