3806644338127 has 2 divisors, whose sum is σ = 3806644338128. Its totient is φ = 3806644338126.

The previous prime is 3806644338121. The next prime is 3806644338131. The reversal of 3806644338127 is 7218334466083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3806644338127 - 2⁷ = 3806644337999 is a prime.

It is a super-2 number, since 2×3806644338127² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806644338121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903322169063 + 1903322169064.

It is an arithmetic number, because the mean of its divisors is an integer number (1903322169064).

Almost surely, 2^{3806644338127} is an apocalyptic number.

3806644338127 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806644338127 is an equidigital number, since it uses as much as digits as its factorization.

3806644338127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 55.

The spelling of 3806644338127 in words is "three trillion, eight hundred six billion, six hundred forty-four million, three hundred thirty-eight thousand, one hundred twenty-seven".