30389252461 has 2 divisors, whose sum is σ = 30389252462. Its totient is φ = 30389252460.

The previous prime is 30389252459. The next prime is 30389252471. The reversal of 30389252461 is 16425298303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17346470436 + 13042782025 = 131706^2 + 114205^2 .

It is an emirp because it is prime and its reverse (16425298303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30389252461 - 2¹ = 30389252459 is a prime.

Together with 30389252459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30389252471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15194626230 + 15194626231.

It is an arithmetic number, because the mean of its divisors is an integer number (15194626231).

Almost surely, 2^30389252461 is an apocalyptic number.

It is an amenable number.

30389252461 is a deficient number, since it is larger than the sum of its proper divisors (1).

30389252461 is an equidigital number, since it uses as much as digits as its factorization.

30389252461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 30389252461 in words is "thirty billion, three hundred eighty-nine million, two hundred fifty-two thousand, four hundred sixty-one".