2008466861 has 2 divisors, whose sum is σ = 2008466862. Its totient is φ = 2008466860.

The previous prime is 2008466857. The next prime is 2008466869. The reversal of 2008466861 is 1686648002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909165636 + 99301225 = 43694^2 + 9965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008466861 - 2² = 2008466857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008466869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004233430 + 1004233431.

It is an arithmetic number, because the mean of its divisors is an integer number (1004233431).

Almost surely, 2^2008466861 is an apocalyptic number.

It is an amenable number.

2008466861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008466861 is an equidigital number, since it uses as much as digits as its factorization.

2008466861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2008466861 is about 44815.9219586075. The cubic root of 2008466861 is about 1261.6964762656.

The spelling of 2008466861 in words is "two billion, eight million, four hundred sixty-six thousand, eight hundred sixty-one".