30030205979 has 2 divisors, whose sum is σ = 30030205980. Its totient is φ = 30030205978.

The previous prime is 30030205957. The next prime is 30030205981. The reversal of 30030205979 is 97950203003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30030205979 is a prime.

It is a super-2 number, since 2×30030205979² (a number of 22 digits) contains 22 as substring.

Together with 30030205981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30030205939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015102989 + 15015102990.

It is an arithmetic number, because the mean of its divisors is an integer number (15015102990).

Almost surely, 2^30030205979 is an apocalyptic number.

30030205979 is a deficient number, since it is larger than the sum of its proper divisors (1).

30030205979 is an equidigital number, since it uses as much as digits as its factorization.

30030205979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 38.

The spelling of 30030205979 in words is "thirty billion, thirty million, two hundred five thousand, nine hundred seventy-nine".