3806985599933 has 2 divisors, whose sum is σ = 3806985599934. Its totient is φ = 3806985599932.

The previous prime is 3806985599891. The next prime is 3806985600071. The reversal of 3806985599933 is 3399955896083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3519477304729 + 287508295204 = 1876027^2 + 536198^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806985599933 - 2²⁶ = 3806918491069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806985599233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903492799966 + 1903492799967.

It is an arithmetic number, because the mean of its divisors is an integer number (1903492799967).

Almost surely, 2^{3806985599933} is an apocalyptic number.

It is an amenable number.

3806985599933 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806985599933 is an equidigital number, since it uses as much as digits as its factorization.

3806985599933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1700611200, while the sum is 77.

The spelling of 3806985599933 in words is "three trillion, eight hundred six billion, nine hundred eighty-five million, five hundred ninety-nine thousand, nine hundred thirty-three".