3866033813 has 2 divisors, whose sum is σ = 3866033814. Its totient is φ = 3866033812.

The previous prime is 3866033753. The next prime is 3866033849. The reversal of 3866033813 is 3183306683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3370615249 + 495418564 = 58057^2 + 22258^2 .

It is a cyclic number.

It is not a de Polignac number, because 3866033813 - 2⁸ = 3866033557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3866033893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1933016906 + 1933016907.

It is an arithmetic number, because the mean of its divisors is an integer number (1933016907).

Almost surely, 2^3866033813 is an apocalyptic number.

It is an amenable number.

3866033813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3866033813 is an equidigital number, since it uses as much as digits as its factorization.

3866033813 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 3866033813 is about 62177.4381347447. The cubic root of 3866033813 is about 1569.4779408836.

The spelling of 3866033813 in words is "three billion, eight hundred sixty-six million, thirty-three thousand, eight hundred thirteen".