3824684681 has 2 divisors, whose sum is σ = 3824684682. Its totient is φ = 3824684680.

The previous prime is 3824684659. The next prime is 3824684687. The reversal of 3824684681 is 1864864283.

It is a happy number.

3824684681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1936000000 + 1888684681 = 44000^2 + 43459^2 .

It is a cyclic number.

It is not a de Polignac number, because 3824684681 - 2¹⁰ = 3824683657 is a prime.

It is a super-2 number, since 2×3824684681² = 29256425818152143522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3824684687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1912342340 + 1912342341.

It is an arithmetic number, because the mean of its divisors is an integer number (1912342341).

Almost surely, 2^3824684681 is an apocalyptic number.

It is an amenable number.

3824684681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3824684681 is an equidigital number, since it uses as much as digits as its factorization.

3824684681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1769472, while the sum is 50.

The square root of 3824684681 is about 61844.0351287010. The cubic root of 3824684681 is about 1563.8624267949.

The spelling of 3824684681 in words is "three billion, eight hundred twenty-four million, six hundred eighty-four thousand, six hundred eighty-one".