2008685801 has 2 divisors, whose sum is σ = 2008685802. Its totient is φ = 2008685800.

The previous prime is 2008685773. The next prime is 2008685807. The reversal of 2008685801 is 1085868002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1757621776 + 251064025 = 41924^2 + 15845^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008685801 - 2⁶ = 2008685737 is a prime.

It is not a weakly prime, because it can be changed into another prime (2008685807) 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, 1004342900 + 1004342901.

It is an arithmetic number, because the mean of its divisors is an integer number (1004342901).

Almost surely, 2^2008685801 is an apocalyptic number.

It is an amenable number.

2008685801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008685801 is an equidigital number, since it uses as much as digits as its factorization.

2008685801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 2008685801 is about 44818.3645507062. The cubic root of 2008685801 is about 1261.7423198217.

The spelling of 2008685801 in words is "two billion, eight million, six hundred eighty-five thousand, eight hundred one".