3818981713 has 2 divisors, whose sum is σ = 3818981714. Its totient is φ = 3818981712.

The previous prime is 3818981659. The next prime is 3818981759. The reversal of 3818981713 is 3171898183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968519424 + 1850462289 = 44368^2 + 43017^2 .

It is an emirp because it is prime and its reverse (3171898183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3818981713 is a prime.

It is not a weakly prime, because it can be changed into another prime (3818981773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909490856 + 1909490857.

It is an arithmetic number, because the mean of its divisors is an integer number (1909490857).

Almost surely, 2^3818981713 is an apocalyptic number.

It is an amenable number.

3818981713 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818981713 is an equidigital number, since it uses as much as digits as its factorization.

3818981713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 49.

The square root of 3818981713 is about 61797.9102640211. The cubic root of 3818981713 is about 1563.0847510167.

The spelling of 3818981713 in words is "three billion, eight hundred eighteen million, nine hundred eighty-one thousand, seven hundred thirteen".