3861636067 has 2 divisors, whose sum is σ = 3861636068. Its totient is φ = 3861636066.

The previous prime is 3861636013. The next prime is 3861636131. The reversal of 3861636067 is 7606361683.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3861636067 is a prime.

It is a super-2 number, since 2×3861636067² = 29824466227910456978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3861636007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930818033 + 1930818034.

It is an arithmetic number, because the mean of its divisors is an integer number (1930818034).

Almost surely, 2^3861636067 is an apocalyptic number.

3861636067 is a deficient number, since it is larger than the sum of its proper divisors (1).

3861636067 is an equidigital number, since it uses as much as digits as its factorization.

3861636067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 3861636067 is about 62142.0635882009. The cubic root of 3861636067 is about 1568.8826034331.

The spelling of 3861636067 in words is "three billion, eight hundred sixty-one million, six hundred thirty-six thousand, sixty-seven".