4894831393 has 2 divisors, whose sum is σ = 4894831394. Its totient is φ = 4894831392.

The previous prime is 4894831339. The next prime is 4894831399. The reversal of 4894831393 is 3931384984.

Together with previous prime (4894831339) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3408574689 + 1486256704 = 58383^2 + 38552^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4894831393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4894831393.

It is not a weakly prime, because it can be changed into another prime (4894831399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2447415696 + 2447415697.

It is an arithmetic number, because the mean of its divisors is an integer number (2447415697).

Almost surely, 2^4894831393 is an apocalyptic number.

It is an amenable number.

4894831393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4894831393 is an equidigital number, since it uses as much as digits as its factorization.

4894831393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 52.

The square root of 4894831393 is about 69963.0716378291. The cubic root of 4894831393 is about 1697.9018397493.

The spelling of 4894831393 in words is "four billion, eight hundred ninety-four million, eight hundred thirty-one thousand, three hundred ninety-three".