6866207465801 has 2 divisors, whose sum is σ = 6866207465802. Its totient is φ = 6866207465800.

The previous prime is 6866207465797. The next prime is 6866207465867. The reversal of 6866207465801 is 1085647026686.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6267787638025 + 598419827776 = 2503555^2 + 773576^2 .

It is a cyclic number.

It is not a de Polignac number, because 6866207465801 - 2² = 6866207465797 is a prime.

It is not a weakly prime, because it can be changed into another prime (6866207465891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433103732900 + 3433103732901.

It is an arithmetic number, because the mean of its divisors is an integer number (3433103732901).

Almost surely, 2^{6866207465801} is an apocalyptic number.

It is an amenable number.

6866207465801 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866207465801 is an equidigital number, since it uses as much as digits as its factorization.

6866207465801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 6866207465801 in words is "six trillion, eight hundred sixty-six billion, two hundred seven million, four hundred sixty-five thousand, eight hundred one".