3818789113 has 2 divisors, whose sum is σ = 3818789114. Its totient is φ = 3818789112.

The previous prime is 3818789111. The next prime is 3818789123. The reversal of 3818789113 is 3119878183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2477251984 + 1341537129 = 49772^2 + 36627^2 .

It is a cyclic number.

It is not a de Polignac number, because 3818789113 - 2¹ = 3818789111 is a prime.

Together with 3818789111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3818789111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909394556 + 1909394557.

It is an arithmetic number, because the mean of its divisors is an integer number (1909394557).

Almost surely, 2^3818789113 is an apocalyptic number.

It is an amenable number.

3818789113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818789113 is an equidigital number, since it uses as much as digits as its factorization.

3818789113 is an evil number, because the sum of its binary digits is even.

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

The square root of 3818789113 is about 61796.3519392529. The cubic root of 3818789113 is about 1563.0584739262.

The spelling of 3818789113 in words is "three billion, eight hundred eighteen million, seven hundred eighty-nine thousand, one hundred thirteen".