6696463849 has 2 divisors, whose sum is σ = 6696463850. Its totient is φ = 6696463848.

The previous prime is 6696463819. The next prime is 6696463859. The reversal of 6696463849 is 9483646966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6348902400 + 347561449 = 79680^2 + 18643^2 .

It is a cyclic number.

It is not a de Polignac number, because 6696463849 - 2⁹ = 6696463337 is a prime.

It is not a weakly prime, because it can be changed into another prime (6696463819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3348231924 + 3348231925.

It is an arithmetic number, because the mean of its divisors is an integer number (3348231925).

Almost surely, 2^6696463849 is an apocalyptic number.

It is an amenable number.

6696463849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696463849 is an equidigital number, since it uses as much as digits as its factorization.

6696463849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40310784, while the sum is 61.

The square root of 6696463849 is about 81831.9243877351. The cubic root of 6696463849 is about 1884.8719127201.

The spelling of 6696463849 in words is "six billion, six hundred ninety-six million, four hundred sixty-three thousand, eight hundred forty-nine".