30351245489 has 2 divisors, whose sum is σ = 30351245490. Its totient is φ = 30351245488.

The previous prime is 30351245479. The next prime is 30351245513. The reversal of 30351245489 is 98454215303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24403751089 + 5947494400 = 156217^2 + 77120^2 .

It is an emirp because it is prime and its reverse (98454215303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30351245489 - 2²⁰ = 30350196913 is a prime.

It is not a weakly prime, because it can be changed into another prime (30351245479) 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, 15175622744 + 15175622745.

It is an arithmetic number, because the mean of its divisors is an integer number (15175622745).

Almost surely, 2^30351245489 is an apocalyptic number.

It is an amenable number.

30351245489 is a deficient number, since it is larger than the sum of its proper divisors (1).

30351245489 is an equidigital number, since it uses as much as digits as its factorization.

30351245489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 30351245489 in words is "thirty billion, three hundred fifty-one million, two hundred forty-five thousand, four hundred eighty-nine".