30329999993 has 2 divisors, whose sum is σ = 30329999994. Its totient is φ = 30329999992.

The previous prime is 30329999981. The next prime is 30330000017. The reversal of 30329999993 is 39999992303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15618250729 + 14711749264 = 124973^2 + 121292^2 .

It is an emirp because it is prime and its reverse (39999992303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30329999993 - 2¹⁴ = 30329983609 is a prime.

It is not a weakly prime, because it can be changed into another prime (30329999963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15164999996 + 15164999997.

It is an arithmetic number, because the mean of its divisors is an integer number (15164999997).

Almost surely, 2^30329999993 is an apocalyptic number.

It is an amenable number.

30329999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30329999993 is an equidigital number, since it uses as much as digits as its factorization.

30329999993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28697814, while the sum is 65.

The spelling of 30329999993 in words is "thirty billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".