6820115471593 has 4 divisors (see below), whose sum is σ = 6820154826640. Its totient is φ = 6820076116548.

The previous prime is 6820115471581. The next prime is 6820115471599. The reversal of 6820115471593 is 3951745110286.

6820115471593 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6820115471593 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 6820115471593.

It is not an unprimeable number, because it can be changed into a prime (6820115471599) 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, 19416423 + ... + 19764556.

It is an arithmetic number, because the mean of its divisors is an integer number (1705038706660).

It is a 1-persistent number, because it is pandigital, but 2⋅6820115471593 = 13640230943186 is not.

Almost surely, 2^{6820115471593} is an apocalyptic number.

It is an amenable number.

6820115471593 is a deficient number, since it is larger than the sum of its proper divisors (39355047).

6820115471593 is a wasteful number, since it uses less digits than its factorization.

6820115471593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39355046.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 6820115471593 in words is "six trillion, eight hundred twenty billion, one hundred fifteen million, four hundred seventy-one thousand, five hundred ninety-three".