3030001993 has 2 divisors, whose sum is σ = 3030001994. Its totient is φ = 3030001992.

The previous prime is 3030001973. The next prime is 3030002033. The reversal of 3030001993 is 3991000303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2694855744 + 335146249 = 51912^2 + 18307^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030001993 - 2¹³ = 3029993801 is a prime.

It is not a weakly prime, because it can be changed into another prime (3030001973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515000996 + 1515000997.

It is an arithmetic number, because the mean of its divisors is an integer number (1515000997).

Almost surely, 2^3030001993 is an apocalyptic number.

It is an amenable number.

3030001993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3030001993 is an equidigital number, since it uses as much as digits as its factorization.

3030001993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 3030001993 is about 55045.4538813152. The cubic root of 3030001993 is about 1447.0414495849.

The spelling of 3030001993 in words is "three billion, thirty million, one thousand, nine hundred ninety-three".