4838440393 has 2 divisors, whose sum is σ = 4838440394. Its totient is φ = 4838440392.

The previous prime is 4838440319. The next prime is 4838440403. The reversal of 4838440393 is 3930448384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4467184569 + 371255824 = 66837^2 + 19268^2 .

It is a cyclic number.

It is not a de Polignac number, because 4838440393 - 2¹³ = 4838432201 is a prime.

It is a super-2 number, since 2×4838440393² = 46821010873227988898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4838440693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419220196 + 2419220197.

It is an arithmetic number, because the mean of its divisors is an integer number (2419220197).

Almost surely, 2^4838440393 is an apocalyptic number.

It is an amenable number.

4838440393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4838440393 is an equidigital number, since it uses as much as digits as its factorization.

4838440393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 4838440393 is about 69558.8987333756. The cubic root of 4838440393 is about 1691.3564023878.

The spelling of 4838440393 in words is "four billion, eight hundred thirty-eight million, four hundred forty thousand, three hundred ninety-three".