3821685713 has 2 divisors, whose sum is σ = 3821685714. Its totient is φ = 3821685712.

The previous prime is 3821685683. The next prime is 3821685757. The reversal of 3821685713 is 3175861283.

It is a happy number.

It is an a-pointer prime, because the next prime (3821685757) can be obtained adding 3821685713 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3820228864 + 1456849 = 61808^2 + 1207^2 .

It is a cyclic number.

It is not a de Polignac number, because 3821685713 - 2⁶ = 3821685649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3821685793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1910842856 + 1910842857.

It is an arithmetic number, because the mean of its divisors is an integer number (1910842857).

Almost surely, 2^3821685713 is an apocalyptic number.

It is an amenable number.

3821685713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3821685713 is an equidigital number, since it uses as much as digits as its factorization.

3821685713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 3821685713 is about 61819.7841552363. The cubic root of 3821685713 is about 1563.4535739425.

The spelling of 3821685713 in words is "three billion, eight hundred twenty-one million, six hundred eighty-five thousand, seven hundred thirteen".