6794847649 has 2 divisors, whose sum is σ = 6794847650. Its totient is φ = 6794847648.

The previous prime is 6794847629. The next prime is 6794847671. The reversal of 6794847649 is 9467484976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5504601249 + 1290246400 = 74193^2 + 35920^2 .

It is a cyclic number.

It is not a de Polignac number, because 6794847649 - 2⁵ = 6794847617 is a prime.

It is not a weakly prime, because it can be changed into another prime (6794847629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3397423824 + 3397423825.

It is an arithmetic number, because the mean of its divisors is an integer number (3397423825).

Almost surely, 2^6794847649 is an apocalyptic number.

It is an amenable number.

6794847649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6794847649 is an equidigital number, since it uses as much as digits as its factorization.

6794847649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 64.

The square root of 6794847649 is about 82430.8658755930. The cubic root of 6794847649 is about 1894.0578575426.

The spelling of 6794847649 in words is "six billion, seven hundred ninety-four million, eight hundred forty-seven thousand, six hundred forty-nine".