6483639691 has 2 divisors, whose sum is σ = 6483639692. Its totient is φ = 6483639690.

The previous prime is 6483639653. The next prime is 6483639713. The reversal of 6483639691 is 1969363846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6483639691 - 2¹⁵ = 6483606923 is a prime.

It is not a weakly prime, because it can be changed into another prime (6483639391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3241819845 + 3241819846.

It is an arithmetic number, because the mean of its divisors is an integer number (3241819846).

Almost surely, 2^6483639691 is an apocalyptic number.

6483639691 is a deficient number, since it is larger than the sum of its proper divisors (1).

6483639691 is an equidigital number, since it uses as much as digits as its factorization.

6483639691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 55.

The square root of 6483639691 is about 80521.0512288557. The cubic root of 6483639691 is about 1864.6884927522.

The spelling of 6483639691 in words is "six billion, four hundred eighty-three million, six hundred thirty-nine thousand, six hundred ninety-one".