3813945907 has 2 divisors, whose sum is σ = 3813945908. Its totient is φ = 3813945906.

The previous prime is 3813945901. The next prime is 3813945913. The reversal of 3813945907 is 7095493183.

It is a balanced prime because it is at equal distance from previous prime (3813945901) and next prime (3813945913).

It is an emirp because it is prime and its reverse (7095493183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3813945907 - 2³ = 3813945899 is a prime.

It is not a weakly prime, because it can be changed into another prime (3813945901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906972953 + 1906972954.

It is an arithmetic number, because the mean of its divisors is an integer number (1906972954).

Almost surely, 2^3813945907 is an apocalyptic number.

3813945907 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813945907 is an equidigital number, since it uses as much as digits as its factorization.

3813945907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 3813945907 is about 61757.1526788598. The cubic root of 3813945907 is about 1562.3974077664.

The spelling of 3813945907 in words is "three billion, eight hundred thirteen million, nine hundred forty-five thousand, nine hundred seven".