30838405361 has 2 divisors, whose sum is σ = 30838405362. Its totient is φ = 30838405360.

The previous prime is 30838405261. The next prime is 30838405387. The reversal of 30838405361 is 16350483803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25027240000 + 5811165361 = 158200^2 + 76231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30838405361 is a prime.

It is not a weakly prime, because it can be changed into another prime (30838405261) 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, 15419202680 + 15419202681.

It is an arithmetic number, because the mean of its divisors is an integer number (15419202681).

Almost surely, 2^30838405361 is an apocalyptic number.

It is an amenable number.

30838405361 is a deficient number, since it is larger than the sum of its proper divisors (1).

30838405361 is an equidigital number, since it uses as much as digits as its factorization.

30838405361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 30838405361 in words is "thirty billion, eight hundred thirty-eight million, four hundred five thousand, three hundred sixty-one".