3836126681 has 2 divisors, whose sum is σ = 3836126682. Its totient is φ = 3836126680.

The previous prime is 3836126669. The next prime is 3836126729. The reversal of 3836126681 is 1866216383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3064176025 + 771950656 = 55355^2 + 27784^2 .

It is a cyclic number.

It is not a de Polignac number, because 3836126681 - 2⁶ = 3836126617 is a prime.

It is a super-2 number, since 2×3836126681² = 29431735825360151522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3836126081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918063340 + 1918063341.

It is an arithmetic number, because the mean of its divisors is an integer number (1918063341).

Almost surely, 2^3836126681 is an apocalyptic number.

It is an amenable number.

3836126681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3836126681 is an equidigital number, since it uses as much as digits as its factorization.

3836126681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 3836126681 is about 61936.4729460760. The cubic root of 3836126681 is about 1565.4203678410.

The spelling of 3836126681 in words is "three billion, eight hundred thirty-six million, one hundred twenty-six thousand, six hundred eighty-one".