6820045573 has 36 divisors (see below), whose sum is σ = 8097950784. Its totient is φ = 5735545200.

The previous prime is 6820045571. The next prime is 6820045607. The reversal of 6820045573 is 3755400286.

It is not a de Polignac number, because 6820045573 - 2¹ = 6820045571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820045571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1876468 + ... + 1880098.

Almost surely, 2^6820045573 is an apocalyptic number.

It is an amenable number.

6820045573 is a deficient number, since it is larger than the sum of its proper divisors (1277905211).

6820045573 is a wasteful number, since it uses less digits than its factorization.

6820045573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3704 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 6820045573 is about 82583.5672092215. The cubic root of 6820045573 is about 1896.3962691234.

The spelling of 6820045573 in words is "six billion, eight hundred twenty million, forty-five thousand, five hundred seventy-three".