4393900193 has 2 divisors, whose sum is σ = 4393900194. Its totient is φ = 4393900192.

The previous prime is 4393900141. The next prime is 4393900207. The reversal of 4393900193 is 3910093934.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3563134864 + 830765329 = 59692^2 + 28823^2 .

It is a cyclic number.

It is not a de Polignac number, because 4393900193 - 2⁶ = 4393900129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4393900193.

It is not a weakly prime, because it can be changed into another prime (4393909193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2196950096 + 2196950097.

It is an arithmetic number, because the mean of its divisors is an integer number (2196950097).

Almost surely, 2^4393900193 is an apocalyptic number.

It is an amenable number.

4393900193 is a deficient number, since it is larger than the sum of its proper divisors (1).

4393900193 is an equidigital number, since it uses as much as digits as its factorization.

4393900193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 4393900193 is about 66286.5008353888. The cubic root of 4393900193 is about 1637.8849634933.

The spelling of 4393900193 in words is "four billion, three hundred ninety-three million, nine hundred thousand, one hundred ninety-three".