4938065813 has 2 divisors, whose sum is σ = 4938065814. Its totient is φ = 4938065812.

The previous prime is 4938065771. The next prime is 4938065849. The reversal of 4938065813 is 3185608394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4277421604 + 660644209 = 65402^2 + 25703^2 .

It is a cyclic number.

It is not a de Polignac number, because 4938065813 - 2¹² = 4938061717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4938065413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469032906 + 2469032907.

It is an arithmetic number, because the mean of its divisors is an integer number (2469032907).

Almost surely, 2^4938065813 is an apocalyptic number.

It is an amenable number.

4938065813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938065813 is an equidigital number, since it uses as much as digits as its factorization.

4938065813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 4938065813 is about 70271.3726420653. The cubic root of 4938065813 is about 1702.8861943893.

The spelling of 4938065813 in words is "four billion, nine hundred thirty-eight million, sixty-five thousand, eight hundred thirteen".