3941830813 has 2 divisors, whose sum is σ = 3941830814. Its totient is φ = 3941830812.

The previous prime is 3941830799. The next prime is 3941830831. The reversal of 3941830813 is 3180381493.

3941830813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (3941830831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3256071844 + 685758969 = 57062^2 + 26187^2 .

It is a cyclic number.

It is not a de Polignac number, because 3941830813 - 2²⁵ = 3908276381 is a prime.

It is a super-3 number, since 3×3941830813³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3941830843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970915406 + 1970915407.

It is an arithmetic number, because the mean of its divisors is an integer number (1970915407).

Almost surely, 2^3941830813 is an apocalyptic number.

It is an amenable number.

3941830813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941830813 is an equidigital number, since it uses as much as digits as its factorization.

3941830813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 3941830813 is about 62784.0012503185. The cubic root of 3941830813 is about 1579.6686284985.

The spelling of 3941830813 in words is "three billion, nine hundred forty-one million, eight hundred thirty thousand, eight hundred thirteen".