6995847109 has 6 divisors (see below), whose sum is σ = 7035629874. Its totient is φ = 6956076960.

The previous prime is 6995847107. The next prime is 6995847149. The reversal of 6995847109 is 9017485996.

6995847109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 606242884 + 6389604225 = 24622^2 + 79935^2 .

It is not a de Polignac number, because 6995847109 - 2¹ = 6995847107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6995847107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1122169 + ... + 1128385.

It is an arithmetic number, because the mean of its divisors is an integer number (1172604979).

Almost surely, 2^6995847109 is an apocalyptic number.

It is an amenable number.

6995847109 is a deficient number, since it is larger than the sum of its proper divisors (39782765).

6995847109 is an frugal number, since it uses more digits than its factorization.

6995847109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The square root of 6995847109 is about 83641.1807006573. The cubic root of 6995847109 is about 1912.5528129520.

The spelling of 6995847109 in words is "six billion, nine hundred ninety-five million, eight hundred forty-seven thousand, one hundred nine".