6894853709 has 2 divisors, whose sum is σ = 6894853710. Its totient is φ = 6894853708.

The previous prime is 6894853673. The next prime is 6894853711. The reversal of 6894853709 is 9073584986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6337752100 + 557101609 = 79610^2 + 23603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6894853709 is a prime.

It is a super-2 number, since 2×6894853709² = 95078015337022113362, which contains 22 as substring.

Together with 6894853711, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6894853739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447426854 + 3447426855.

It is an arithmetic number, because the mean of its divisors is an integer number (3447426855).

Almost surely, 2^6894853709 is an apocalyptic number.

It is an amenable number.

6894853709 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894853709 is an equidigital number, since it uses as much as digits as its factorization.

6894853709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 6894853709 is about 83035.2558194409. The cubic root of 6894853709 is about 1903.3048400451.

The spelling of 6894853709 in words is "six billion, eight hundred ninety-four million, eight hundred fifty-three thousand, seven hundred nine".