30120673489 has 2 divisors, whose sum is σ = 30120673490. Its totient is φ = 30120673488.

The previous prime is 30120673463. The next prime is 30120673507. The reversal of 30120673489 is 98437602103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30070334464 + 50339025 = 173408^2 + 7095^2 .

It is a cyclic number.

It is not a de Polignac number, because 30120673489 - 2²⁷ = 29986455761 is a prime.

It is not a weakly prime, because it can be changed into another prime (30120673409) 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, 15060336744 + 15060336745.

It is an arithmetic number, because the mean of its divisors is an integer number (15060336745).

Almost surely, 2^30120673489 is an apocalyptic number.

It is an amenable number.

30120673489 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120673489 is an equidigital number, since it uses as much as digits as its factorization.

30120673489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 30120673489 in words is "thirty billion, one hundred twenty million, six hundred seventy-three thousand, four hundred eighty-nine".