6399882001 has 2 divisors, whose sum is σ = 6399882002. Its totient is φ = 6399882000.

The previous prime is 6399881987. The next prime is 6399882037. The reversal of 6399882001 is 1002889936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4763760400 + 1636121601 = 69020^2 + 40449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6399882001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6399882091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199941000 + 3199941001.

It is an arithmetic number, because the mean of its divisors is an integer number (3199941001).

Almost surely, 2^6399882001 is an apocalyptic number.

It is an amenable number.

6399882001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6399882001 is an equidigital number, since it uses as much as digits as its factorization.

6399882001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 6399882001 is about 79999.2625028506. The cubic root of 6399882001 is about 1856.6241228991.

The spelling of 6399882001 in words is "six billion, three hundred ninety-nine million, eight hundred eighty-two thousand, one".