6999664883 has 2 divisors, whose sum is σ = 6999664884. Its totient is φ = 6999664882.

The previous prime is 6999664879. The next prime is 6999664901. The reversal of 6999664883 is 3884669996.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6999664883 - 2² = 6999664879 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999664823) 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, 3499832441 + 3499832442.

It is an arithmetic number, because the mean of its divisors is an integer number (3499832442).

Almost surely, 2^6999664883 is an apocalyptic number.

6999664883 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999664883 is an equidigital number, since it uses as much as digits as its factorization.

6999664883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 68.

The square root of 6999664883 is about 83663.9999223083. Note that the first 4 decimals coincide. The cubic root of 6999664883 is about 1912.9006558205.

The spelling of 6999664883 in words is "six billion, nine hundred ninety-nine million, six hundred sixty-four thousand, eight hundred eighty-three".