3689786999 has 2 divisors, whose sum is σ = 3689787000. Its totient is φ = 3689786998.

The previous prime is 3689786963. The next prime is 3689787047. The reversal of 3689786999 is 9996879863.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3689786999 - 2²⁸ = 3421351543 is a prime.

It is a super-2 number, since 2×3689786999² = 27229056195978852002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3689786929) 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, 1844893499 + 1844893500.

It is an arithmetic number, because the mean of its divisors is an integer number (1844893500).

Almost surely, 2^3689786999 is an apocalyptic number.

3689786999 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689786999 is an equidigital number, since it uses as much as digits as its factorization.

3689786999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317447424, while the sum is 74.

The square root of 3689786999 is about 60743.6169403831. The cubic root of 3689786999 is about 1545.2559769697.

The spelling of 3689786999 in words is "three billion, six hundred eighty-nine million, seven hundred eighty-six thousand, nine hundred ninety-nine".