3853900949 has 2 divisors, whose sum is σ = 3853900950. Its totient is φ = 3853900948.

The previous prime is 3853900931. The next prime is 3853900957. The reversal of 3853900949 is 9490093583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3023020324 + 830880625 = 54982^2 + 28825^2 .

It is a cyclic number.

It is not a de Polignac number, because 3853900949 - 2²⁰ = 3852852373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3853900897 and 3853900906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3853900909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926950474 + 1926950475.

It is an arithmetic number, because the mean of its divisors is an integer number (1926950475).

Almost surely, 2^3853900949 is an apocalyptic number.

It is an amenable number.

3853900949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3853900949 is an equidigital number, since it uses as much as digits as its factorization.

3853900949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 3853900949 is about 62079.7950141590. The cubic root of 3853900949 is about 1567.8343772736.

The spelling of 3853900949 in words is "three billion, eight hundred fifty-three million, nine hundred thousand, nine hundred forty-nine".