3261866063 has 2 divisors, whose sum is σ = 3261866064. Its totient is φ = 3261866062.

The previous prime is 3261866057. The next prime is 3261866087. The reversal of 3261866063 is 3606681623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3261866063 - 2⁸ = 3261865807 is a prime.

It is a super-2 number, since 2×3261866063² = 21279540425902239938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3261866063.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3261866033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630933031 + 1630933032.

It is an arithmetic number, because the mean of its divisors is an integer number (1630933032).

Almost surely, 2^3261866063 is an apocalyptic number.

3261866063 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261866063 is an equidigital number, since it uses as much as digits as its factorization.

3261866063 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 41.

The square root of 3261866063 is about 57112.7486906382. The cubic root of 3261866063 is about 1483.0485710767.

The spelling of 3261866063 in words is "three billion, two hundred sixty-one million, eight hundred sixty-six thousand, sixty-three".