3863218049 has 2 divisors, whose sum is σ = 3863218050. Its totient is φ = 3863218048.

The previous prime is 3863218043. The next prime is 3863218061. The reversal of 3863218049 is 9408123683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3847969024 + 15249025 = 62032^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3863218049 - 2⁴ = 3863218033 is a prime.

It is not a weakly prime, because it can be changed into another prime (3863218043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931609024 + 1931609025.

It is an arithmetic number, because the mean of its divisors is an integer number (1931609025).

Almost surely, 2^3863218049 is an apocalyptic number.

It is an amenable number.

3863218049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3863218049 is an equidigital number, since it uses as much as digits as its factorization.

3863218049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 3863218049 is about 62154.7910381814. The cubic root of 3863218049 is about 1569.0968136063.

The spelling of 3863218049 in words is "three billion, eight hundred sixty-three million, two hundred eighteen thousand, forty-nine".