3818812847 has 2 divisors, whose sum is σ = 3818812848. Its totient is φ = 3818812846.

The previous prime is 3818812813. The next prime is 3818812849. The reversal of 3818812847 is 7482188183.

3818812847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3818812847 is a prime.

Together with 3818812849, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3818812795 and 3818812804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3818812849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1909406423 + 1909406424.

It is an arithmetic number, because the mean of its divisors is an integer number (1909406424).

Almost surely, 2^3818812847 is an apocalyptic number.

3818812847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3818812847 is an equidigital number, since it uses as much as digits as its factorization.

3818812847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 688128, while the sum is 50.

The square root of 3818812847 is about 61796.5439729440. The cubic root of 3818812847 is about 1563.0617120864.

The spelling of 3818812847 in words is "three billion, eight hundred eighteen million, eight hundred twelve thousand, eight hundred forty-seven".