6853704145 has 4 divisors (see below), whose sum is σ = 8224444980. Its totient is φ = 5482963312.

The previous prime is 6853704127. The next prime is 6853704163. The reversal of 6853704145 is 5414073586.

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

It is an interprime number because it is at equal distance from previous prime (6853704127) and next prime (6853704163).

It can be written as a sum of positive squares in 2 ways, for example, as 3330213264 + 3523490881 = 57708^2 + 59359^2 .

It is a cyclic number.

It is not a de Polignac number, because 6853704145 - 2⁵ = 6853704113 is a prime.

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, 685370410 + ... + 685370419.

It is an arithmetic number, because the mean of its divisors is an integer number (2056111245).

Almost surely, 2^6853704145 is an apocalyptic number.

It is an amenable number.

6853704145 is a deficient number, since it is larger than the sum of its proper divisors (1370740835).

6853704145 is a wasteful number, since it uses less digits than its factorization.

6853704145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370740834.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 6853704145 is about 82787.1013201936. The cubic root of 6853704145 is about 1899.5108754786.

The spelling of 6853704145 in words is "six billion, eight hundred fifty-three million, seven hundred four thousand, one hundred forty-five".