6853147057 has 2 divisors, whose sum is σ = 6853147058. Its totient is φ = 6853147056.

The previous prime is 6853147051. The next prime is 6853147079. The reversal of 6853147057 is 7507413586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5922225936 + 930921121 = 76956^2 + 30511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6853147057 is a prime.

It is a super-2 number, since 2×6853147057² = 93931249169735522498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6853146998 and 6853147016.

It is not a weakly prime, because it can be changed into another prime (6853147051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3426573528 + 3426573529.

It is an arithmetic number, because the mean of its divisors is an integer number (3426573529).

Almost surely, 2^6853147057 is an apocalyptic number.

It is an amenable number.

6853147057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6853147057 is an equidigital number, since it uses as much as digits as its factorization.

6853147057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 6853147057 is about 82783.7366697107. The cubic root of 6853147057 is about 1899.4594082542.

The spelling of 6853147057 in words is "six billion, eight hundred fifty-three million, one hundred forty-seven thousand, fifty-seven".